Finding the Fourth Proportional to 62,697.15, 86,521.82 and 34,403.31

Step by Step Solution

1. Step 1: Write the proportion equation
   62,697.15 : 86,521.82 = 34,403.31 : x
2. Step 2: Convert to fraction form
   62,697.15/86,521.82 = 34,403.31/x
3. Step 3: Cross multiply
   62,697.15x = 86,521.82 × 34,403.31
4. Step 4: Simplify right side
   62,697.15x = 2,976,636,648.62
5. Step 5: Solve for x
   x = 2,976,636,648.62/62,697.15
6. Step 6: Final answer
   x = 47,476.43