Finding the Fourth Proportional to 81,300.94, 112,043.32 and 58,600.69

Step by Step Solution

1. Step 1: Write the proportion equation
   81,300.94 : 112,043.32 = 58,600.69 : x
2. Step 2: Convert to fraction form
   81,300.94/112,043.32 = 58,600.69/x
3. Step 3: Cross multiply
   81,300.94x = 112,043.32 × 58,600.69
4. Step 4: Simplify right side
   81,300.94x = 6,565,815,861.89
5. Step 5: Solve for x
   x = 6,565,815,861.89/81,300.94
6. Step 6: Final answer
   x = 80,759.41