Finding the Fourth Proportional to 107,843,488.10, 161,765,232.15 and 80,969,632.10

Step by Step Solution

1. Step 1: Write the proportion equation
   107,843,488.10 : 161,765,232.15 = 80,969,632.10 : x
2. Step 2: Convert to fraction form
   107,843,488.10/161,765,232.15 = 80,969,632.10/x
3. Step 3: Cross multiply
   107,843,488.10x = 161,765,232.15 × 80,969,632.10
4. Step 4: Simplify right side
   107,843,488.10x = 13,098,071,333,756,592
5. Step 5: Solve for x
   x = 13,098,071,333,756,592/107,843,488.10
6. Step 6: Final answer
   x = 121,454,448.15