Finding the Fourth Proportional to 307,495,360.56, 461,148,128.68 and 89,161,796.08

Step by Step Solution

1. Step 1: Write the proportion equation
   307,495,360.56 : 461,148,128.68 = 89,161,796.08 : x
2. Step 2: Convert to fraction form
   307,495,360.56/461,148,128.68 = 89,161,796.08/x
3. Step 3: Cross multiply
   307,495,360.56x = 461,148,128.68 × 89,161,796.08
4. Step 4: Simplify right side
   307,495,360.56x = 41,116,795,412,039,760
5. Step 5: Solve for x
   x = 41,116,795,412,039,760/307,495,360.56
6. Step 6: Final answer
   x = 133,715,173.25