Finding the Fourth Proportional to 62,461.16, 86,172.18 and 39,796.10

Step by Step Solution

1. Step 1: Write the proportion equation
   62,461.16 : 86,172.18 = 39,796.10 : x
2. Step 2: Convert to fraction form
   62,461.16/86,172.18 = 39,796.10/x
3. Step 3: Cross multiply
   62,461.16x = 86,172.18 × 39,796.10
4. Step 4: Simplify right side
   62,461.16x = 3,429,316,692.50
5. Step 5: Solve for x
   x = 3,429,316,692.50/62,461.16
6. Step 6: Final answer
   x = 54,903.19