Finding the Fourth Proportional to 74,042.64, 111,060.72 and 21,450.96

Step by Step Solution

1. Step 1: Write the proportion equation
   74,042.64 : 111,060.72 = 21,450.96 : x
2. Step 2: Convert to fraction form
   74,042.64/111,060.72 = 21,450.96/x
3. Step 3: Cross multiply
   74,042.64x = 111,060.72 × 21,450.96
4. Step 4: Simplify right side
   74,042.64x = 2,382,359,062.29
5. Step 5: Solve for x
   x = 2,382,359,062.29/74,042.64
6. Step 6: Final answer
   x = 32,175.50