Finding the Fourth Proportional to 62,899.50, 86,801.31 and 34,606.20

Step by Step Solution

1. Step 1: Write the proportion equation
   62,899.50 : 86,801.31 = 34,606.20 : x
2. Step 2: Convert to fraction form
   62,899.50/86,801.31 = 34,606.20/x
3. Step 3: Cross multiply
   62,899.50x = 86,801.31 × 34,606.20
4. Step 4: Simplify right side
   62,899.50x = 3,003,863,494.12
5. Step 5: Solve for x
   x = 3,003,863,494.12/62,899.50
6. Step 6: Final answer
   x = 47,756.56