Finding the Fourth Proportional to 74,403, 111,624.72 and 21,812.04

Step by Step Solution

1. Step 1: Write the proportion equation
   74,403 : 111,624.72 = 21,812.04 : x
2. Step 2: Convert to fraction form
   74,403/111,624.72 = 21,812.04/x
3. Step 3: Cross multiply
   74,403x = 111,624.72 × 21,812.04
4. Step 4: Simplify right side
   74,403x = 2,434,762,857.63
5. Step 5: Solve for x
   x = 2,434,762,857.63/74,403
6. Step 6: Final answer
   x = 32,723.99