Finding the Fourth Proportional to 31,484.24, 43,438.42 and 17,870.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,484.24 : 43,438.42 = 17,870.02 : x
2. Step 2: Convert to fraction form
   31,484.24/43,438.42 = 17,870.02/x
3. Step 3: Cross multiply
   31,484.24x = 43,438.42 × 17,870.02
4. Step 4: Simplify right side
   31,484.24x = 776,245,434.17
5. Step 5: Solve for x
   x = 776,245,434.17/31,484.24
6. Step 6: Final answer
   x = 24,655.05