Finding the Fourth Proportional to 29,443.52, 40,631.72 and 21,923.48

Step by Step Solution

1. Step 1: Write the proportion equation
   29,443.52 : 40,631.72 = 21,923.48 : x
2. Step 2: Convert to fraction form
   29,443.52/40,631.72 = 21,923.48/x
3. Step 3: Cross multiply
   29,443.52x = 40,631.72 × 21,923.48
4. Step 4: Simplify right side
   29,443.52x = 890,788,700.79
5. Step 5: Solve for x
   x = 890,788,700.79/29,443.52
6. Step 6: Final answer
   x = 30,254.15