Finding the Fourth Proportional to 102,222.77, 141,023.09 and 72,003.29

Step by Step Solution

1. Step 1: Write the proportion equation
   102,222.77 : 141,023.09 = 72,003.29 : x
2. Step 2: Convert to fraction form
   102,222.77/141,023.09 = 72,003.29/x
3. Step 3: Cross multiply
   102,222.77x = 141,023.09 × 72,003.29
4. Step 4: Simplify right side
   102,222.77x = 10,154,125,920.86
5. Step 5: Solve for x
   x = 10,154,125,920.86/102,222.77
6. Step 6: Final answer
   x = 99,333.31