Finding the Fourth Proportional to 58,500.80, 87,697.38 and 31,807.79

Step by Step Solution

1. Step 1: Write the proportion equation
   58,500.80 : 87,697.38 = 31,807.79 : x
2. Step 2: Convert to fraction form
   58,500.80/87,697.38 = 31,807.79/x
3. Step 3: Cross multiply
   58,500.80x = 87,697.38 × 31,807.79
4. Step 4: Simplify right side
   58,500.80x = 2,789,459,856.25
5. Step 5: Solve for x
   x = 2,789,459,856.25/58,500.80
6. Step 6: Final answer
   x = 47,682.42