Finding the Fourth Proportional to 31,149,314.56, 42,985,601.28 and 17,398,474.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,149,314.56 : 42,985,601.28 = 17,398,474.24 : x
2. Step 2: Convert to fraction form
   31,149,314.56/42,985,601.28 = 17,398,474.24/x
3. Step 3: Cross multiply
   31,149,314.56x = 42,985,601.28 × 17,398,474.24
4. Step 4: Simplify right side
   31,149,314.56x = 747,883,876,560,991
5. Step 5: Solve for x
   x = 747,883,876,560,991/31,149,314.56
6. Step 6: Final answer
   x = 24,009,641.53