Finding the Fourth Proportional to 72,449.52, 99,830.52 and 58,245.36

Step by Step Solution

1. Step 1: Write the proportion equation
   72,449.52 : 99,830.52 = 58,245.36 : x
2. Step 2: Convert to fraction form
   72,449.52/99,830.52 = 58,245.36/x
3. Step 3: Cross multiply
   72,449.52x = 99,830.52 × 58,245.36
4. Step 4: Simplify right side
   72,449.52x = 5,814,664,576.39
5. Step 5: Solve for x
   x = 5,814,664,576.39/72,449.52
6. Step 6: Final answer
   x = 80,258.15