Finding the Fourth Proportional to 72,252.12, 99,729.25 and 42,050.86

Step by Step Solution

1. Step 1: Write the proportion equation
   72,252.12 : 99,729.25 = 42,050.86 : x
2. Step 2: Convert to fraction form
   72,252.12/99,729.25 = 42,050.86/x
3. Step 3: Cross multiply
   72,252.12x = 99,729.25 × 42,050.86
4. Step 4: Simplify right side
   72,252.12x = 4,193,700,768.72
5. Step 5: Solve for x
   x = 4,193,700,768.72/72,252.12
6. Step 6: Final answer
   x = 58,042.60