Finding the Fourth Proportional to 62,111.17, 85,766.69 and 60,102.70

Step by Step Solution

1. Step 1: Write the proportion equation
   62,111.17 : 85,766.69 = 60,102.70 : x
2. Step 2: Convert to fraction form
   62,111.17/85,766.69 = 60,102.70/x
3. Step 3: Cross multiply
   62,111.17x = 85,766.69 × 60,102.70
4. Step 4: Simplify right side
   62,111.17x = 5,154,809,746.79
5. Step 5: Solve for x
   x = 5,154,809,746.79/62,111.17
6. Step 6: Final answer
   x = 82,993.28