Finding the Fourth Proportional to 72,073.91, 99,468.15 and 40,248.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72,073.91 : 99,468.15 = 40,248.96 : x
2. Step 2: Convert to fraction form
   72,073.91/99,468.15 = 40,248.96/x
3. Step 3: Cross multiply
   72,073.91x = 99,468.15 × 40,248.96
4. Step 4: Simplify right side
   72,073.91x = 4,003,489,590.62
5. Step 5: Solve for x
   x = 4,003,489,590.62/72,073.91
6. Step 6: Final answer
   x = 55,547.00