Finding the Fourth Proportional to 72,816,890.16, 109,224,587.88 and 42,091,919.37

Step by Step Solution

1. Step 1: Write the proportion equation
   72,816,890.16 : 109,224,587.88 = 42,091,919.37 : x
2. Step 2: Convert to fraction form
   72,816,890.16/109,224,587.88 = 42,091,919.37/x
3. Step 3: Cross multiply
   72,816,890.16x = 109,224,587.88 × 42,091,919.37
4. Step 4: Simplify right side
   72,816,890.16x = 4,597,472,546,549,755
5. Step 5: Solve for x
   x = 4,597,472,546,549,755/72,816,890.16
6. Step 6: Final answer
   x = 63,137,447.05