Finding the Fourth Proportional to 102,401.22, 141,309.18 and 57,084.18

Step by Step Solution

1. Step 1: Write the proportion equation
   102,401.22 : 141,309.18 = 57,084.18 : x
2. Step 2: Convert to fraction form
   102,401.22/141,309.18 = 57,084.18/x
3. Step 3: Cross multiply
   102,401.22x = 141,309.18 × 57,084.18
4. Step 4: Simplify right side
   102,401.22x = 8,066,518,666.77
5. Step 5: Solve for x
   x = 8,066,518,666.77/102,401.22
6. Step 6: Final answer
   x = 78,773.66