Finding the Fourth Proportional to 72,253.12, 99,730.63 and 42,051.86

Step by Step Solution

1. Step 1: Write the proportion equation
   72,253.12 : 99,730.63 = 42,051.86 : x
2. Step 2: Convert to fraction form
   72,253.12/99,730.63 = 42,051.86/x
3. Step 3: Cross multiply
   72,253.12x = 99,730.63 × 42,051.86
4. Step 4: Simplify right side
   72,253.12x = 4,193,858,490.47
5. Step 5: Solve for x
   x = 4,193,858,490.47/72,253.12
6. Step 6: Final answer
   x = 58,043.98