Finding the Fourth Proportional to 65,545,910,591.72, 90,453,355,518.42 and 35,472,395,133.08

Step by Step Solution

1. Step 1: Write the proportion equation
   65,545,910,591.72 : 90,453,355,518.42 = 35,472,395,133.08 : x
2. Step 2: Convert to fraction form
   65,545,910,591.72/90,453,355,518.42 = 35,472,395,133.08/x
3. Step 3: Cross multiply
   65,545,910,591.72x = 90,453,355,518.42 × 35,472,395,133.08
4. Step 4: Simplify right side
   65,545,910,591.72x = 3,208,597,168,062,356,520,960
5. Step 5: Solve for x
   x = 3,208,597,168,062,356,520,960/65,545,910,591.72
6. Step 6: Final answer
   x = 48,951,904,689.35