Finding the Fourth Proportional to 62,682.72, 86,517.12 and 42,573.12

Step by Step Solution

1. Step 1: Write the proportion equation
   62,682.72 : 86,517.12 = 42,573.12 : x
2. Step 2: Convert to fraction form
   62,682.72/86,517.12 = 42,573.12/x
3. Step 3: Cross multiply
   62,682.72x = 86,517.12 × 42,573.12
4. Step 4: Simplify right side
   62,682.72x = 3,683,303,731.81
5. Step 5: Solve for x
   x = 3,683,303,731.81/62,682.72
6. Step 6: Final answer
   x = 58,761.07