Finding the Fourth Proportional to 89,272,330.29, 133,704,620.51 and 42,618,633.22

Step by Step Solution

1. Step 1: Write the proportion equation
   89,272,330.29 : 133,704,620.51 = 42,618,633.22 : x
2. Step 2: Convert to fraction form
   89,272,330.29/133,704,620.51 = 42,618,633.22/x
3. Step 3: Cross multiply
   89,272,330.29x = 133,704,620.51 × 42,618,633.22
4. Step 4: Simplify right side
   89,272,330.29x = 5,698,308,181,334,979
5. Step 5: Solve for x
   x = 5,698,308,181,334,979/89,272,330.29
6. Step 6: Final answer
   x = 63,830,619.89