Finding the Fourth Proportional to 74,071.50, 111,118.17 and 21,474.15

Step by Step Solution

1. Step 1: Write the proportion equation
   74,071.50 : 111,118.17 = 21,474.15 : x
2. Step 2: Convert to fraction form
   74,071.50/111,118.17 = 21,474.15/x
3. Step 3: Cross multiply
   74,071.50x = 111,118.17 × 21,474.15
4. Step 4: Simplify right side
   74,071.50x = 2,386,168,250.31
5. Step 5: Solve for x
   x = 2,386,168,250.31/74,071.50
6. Step 6: Final answer
   x = 32,214.39