Finding the Fourth Proportional to 58,485.15, 87,761.27 and 58,009.53

Step by Step Solution

1. Step 1: Write the proportion equation
   58,485.15 : 87,761.27 = 58,009.53 : x
2. Step 2: Convert to fraction form
   58,485.15/87,761.27 = 58,009.53/x
3. Step 3: Cross multiply
   58,485.15x = 87,761.27 × 58,009.53
4. Step 4: Simplify right side
   58,485.15x = 5,090,989,734.86
5. Step 5: Solve for x
   x = 5,090,989,734.86/58,485.15
6. Step 6: Final answer
   x = 87,047.56