Finding the Fourth Proportional to 64,440.51, 88,725.83 and 58,535.61

Step by Step Solution

1. Step 1: Write the proportion equation
   64,440.51 : 88,725.83 = 58,535.61 : x
2. Step 2: Convert to fraction form
   64,440.51/88,725.83 = 58,535.61/x
3. Step 3: Cross multiply
   64,440.51x = 88,725.83 × 58,535.61
4. Step 4: Simplify right side
   64,440.51x = 5,193,620,289.13
5. Step 5: Solve for x
   x = 5,193,620,289.13/64,440.51
6. Step 6: Final answer
   x = 80,595.58