Finding the Fourth Proportional to 62,642.16, 86,448.52 and 34,348.72

Step by Step Solution

1. Step 1: Write the proportion equation
   62,642.16 : 86,448.52 = 34,348.72 : x
2. Step 2: Convert to fraction form
   62,642.16/86,448.52 = 34,348.72/x
3. Step 3: Cross multiply
   62,642.16x = 86,448.52 × 34,348.72
4. Step 4: Simplify right side
   62,642.16x = 2,969,396,007.89
5. Step 5: Solve for x
   x = 2,969,396,007.89/62,642.16
6. Step 6: Final answer
   x = 47,402.52