Finding the Fourth Proportional to 31,548,434.40, 43,544,103.60 and 18,499,897.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,548,434.40 : 43,544,103.60 = 18,499,897.10 : x
2. Step 2: Convert to fraction form
   31,548,434.40/43,544,103.60 = 18,499,897.10/x
3. Step 3: Cross multiply
   31,548,434.40x = 43,544,103.60 × 18,499,897.10
4. Step 4: Simplify right side
   31,548,434.40x = 805,561,435,694,019
5. Step 5: Solve for x
   x = 805,561,435,694,019/31,548,434.40
6. Step 6: Final answer
   x = 25,534,117.65