Finding the Fourth Proportional to 62,911.72, 86,789.55 and 37,403.62

Step by Step Solution

1. Step 1: Write the proportion equation
   62,911.72 : 86,789.55 = 37,403.62 : x
2. Step 2: Convert to fraction form
   62,911.72/86,789.55 = 37,403.62/x
3. Step 3: Cross multiply
   62,911.72x = 86,789.55 × 37,403.62
4. Step 4: Simplify right side
   62,911.72x = 3,246,243,131.20
5. Step 5: Solve for x
   x = 3,246,243,131.20/62,911.72
6. Step 6: Final answer
   x = 51,599.98