Finding the Fourth Proportional to 29,443.04, 40,624.46 and 19,900.72

Step by Step Solution

1. Step 1: Write the proportion equation
   29,443.04 : 40,624.46 = 19,900.72 : x
2. Step 2: Convert to fraction form
   29,443.04/40,624.46 = 19,900.72/x
3. Step 3: Cross multiply
   29,443.04x = 40,624.46 × 19,900.72
4. Step 4: Simplify right side
   29,443.04x = 808,456,003.61
5. Step 5: Solve for x
   x = 808,456,003.61/29,443.04
6. Step 6: Final answer
   x = 27,458.31