Finding the Fourth Proportional to 85,749,656.88, 128,552,185.32 and 37,190,952.40

Step by Step Solution

1. Step 1: Write the proportion equation
   85,749,656.88 : 128,552,185.32 = 37,190,952.40 : x
2. Step 2: Convert to fraction form
   85,749,656.88/128,552,185.32 = 37,190,952.40/x
3. Step 3: Cross multiply
   85,749,656.88x = 128,552,185.32 × 37,190,952.40
4. Step 4: Simplify right side
   85,749,656.88x = 4,780,978,205,152,098
5. Step 5: Solve for x
   x = 4,780,978,205,152,098/85,749,656.88
6. Step 6: Final answer
   x = 55,755,070.97