Finding the Fourth Proportional to 29,429.74, 40,608.67 and 17,488.78

Step by Step Solution

1. Step 1: Write the proportion equation
   29,429.74 : 40,608.67 = 17,488.78 : x
2. Step 2: Convert to fraction form
   29,429.74/40,608.67 = 17,488.78/x
3. Step 3: Cross multiply
   29,429.74x = 40,608.67 × 17,488.78
4. Step 4: Simplify right side
   29,429.74x = 710,196,095.72
5. Step 5: Solve for x
   x = 710,196,095.72/29,429.74
6. Step 6: Final answer
   x = 24,131.92