Finding the Fourth Proportional to 87,973.56, 131,989.50 and 58,507.38

Step by Step Solution

1. Step 1: Write the proportion equation
   87,973.56 : 131,989.50 = 58,507.38 : x
2. Step 2: Convert to fraction form
   87,973.56/131,989.50 = 58,507.38/x
3. Step 3: Cross multiply
   87,973.56x = 131,989.50 × 58,507.38
4. Step 4: Simplify right side
   87,973.56x = 7,722,359,832.51
5. Step 5: Solve for x
   x = 7,722,359,832.51/87,973.56
6. Step 6: Final answer
   x = 87,780.46