Finding the Fourth Proportional to 62,456.72, 86,188.20 and 37,291.28

Step by Step Solution

1. Step 1: Write the proportion equation
   62,456.72 : 86,188.20 = 37,291.28 : x
2. Step 2: Convert to fraction form
   62,456.72/86,188.20 = 37,291.28/x
3. Step 3: Cross multiply
   62,456.72x = 86,188.20 × 37,291.28
4. Step 4: Simplify right side
   62,456.72x = 3,214,068,298.90
5. Step 5: Solve for x
   x = 3,214,068,298.90/62,456.72
6. Step 6: Final answer
   x = 51,460.73