Finding the Fourth Proportional to 72,329.01, 99,814.19 and 40,499.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,329.01 : 99,814.19 = 40,499.25 : x
2. Step 2: Convert to fraction form
   72,329.01/99,814.19 = 40,499.25/x
3. Step 3: Cross multiply
   72,329.01x = 99,814.19 × 40,499.25
4. Step 4: Simplify right side
   72,329.01x = 4,042,399,834.36
5. Step 5: Solve for x
   x = 4,042,399,834.36/72,329.01
6. Step 6: Final answer
   x = 55,889.05