Finding the Fourth Proportional to 72,199.47, 99,635.00 and 40,368.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72,199.47 : 99,635.00 = 40,368.27 : x
2. Step 2: Convert to fraction form
   72,199.47/99,635.00 = 40,368.27/x
3. Step 3: Cross multiply
   72,199.47x = 99,635.00 × 40,368.27
4. Step 4: Simplify right side
   72,199.47x = 4,022,092,379.61
5. Step 5: Solve for x
   x = 4,022,092,379.61/72,199.47
6. Step 6: Final answer
   x = 55,708.06