Finding the Fourth Proportional to 107,328,793.05, 161,073,320.92 and 79,726,448.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,328,793.05 : 161,073,320.92 = 79,726,448.72 : x
2. Step 2: Convert to fraction form
   107,328,793.05/161,073,320.92 = 79,726,448.72/x
3. Step 3: Cross multiply
   107,328,793.05x = 161,073,320.92 × 79,726,448.72
4. Step 4: Simplify right side
   107,328,793.05x = 12,841,803,860,238,428
5. Step 5: Solve for x
   x = 12,841,803,860,238,428/107,328,793.05
6. Step 6: Final answer
   x = 119,649,196.59