Finding the Fourth Proportional to 31,154,367.72, 42,992,824.50 and 17,403,211.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,154,367.72 : 42,992,824.50 = 17,403,211.56 : x
2. Step 2: Convert to fraction form
   31,154,367.72/42,992,824.50 = 17,403,211.56/x
3. Step 3: Cross multiply
   31,154,367.72x = 42,992,824.50 × 17,403,211.56
4. Step 4: Simplify right side
   31,154,367.72x = 748,213,220,335,451.12
5. Step 5: Solve for x
   x = 748,213,220,335,451.12/31,154,367.72
6. Step 6: Final answer
   x = 24,016,318.58