Finding the Fourth Proportional to 74,250.72, 111,364.56 and 21,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,250.72 : 111,364.56 = 21,654.72 : x
2. Step 2: Convert to fraction form
   74,250.72/111,364.56 = 21,654.72/x
3. Step 3: Cross multiply
   74,250.72x = 111,364.56 × 21,654.72
4. Step 4: Simplify right side
   74,250.72x = 2,411,568,364.72
5. Step 5: Solve for x
   x = 2,411,568,364.72/74,250.72
6. Step 6: Final answer
   x = 32,478.72