Finding the Fourth Proportional to 62,461.28, 86,196.24 and 34,166.40

Step by Step Solution

1. Step 1: Write the proportion equation
   62,461.28 : 86,196.24 = 34,166.40 : x
2. Step 2: Convert to fraction form
   62,461.28/86,196.24 = 34,166.40/x
3. Step 3: Cross multiply
   62,461.28x = 86,196.24 × 34,166.40
4. Step 4: Simplify right side
   62,461.28x = 2,945,015,214.34
5. Step 5: Solve for x
   x = 2,945,015,214.34/62,461.28
6. Step 6: Final answer
   x = 47,149.45