Finding the Fourth Proportional to 62,632.64, 86,433 and 34,338.80

Step by Step Solution

1. Step 1: Write the proportion equation
   62,632.64 : 86,433 = 34,338.80 : x
2. Step 2: Convert to fraction form
   62,632.64/86,433 = 34,338.80/x
3. Step 3: Cross multiply
   62,632.64x = 86,433 × 34,338.80
4. Step 4: Simplify right side
   62,632.64x = 2,968,005,500.40
5. Step 5: Solve for x
   x = 2,968,005,500.40/62,632.64
6. Step 6: Final answer
   x = 47,387.52