Finding the Fourth Proportional to 31,479,554.39, 43,440,638.18 and 17,540,189.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,479,554.39 : 43,440,638.18 = 17,540,189.28 : x
2. Step 2: Convert to fraction form
   31,479,554.39/43,440,638.18 = 17,540,189.28/x
3. Step 3: Cross multiply
   31,479,554.39x = 43,440,638.18 × 17,540,189.28
4. Step 4: Simplify right side
   31,479,554.39x = 761,957,016,033,493.75
5. Step 5: Solve for x
   x = 761,957,016,033,493.75/31,479,554.39
6. Step 6: Final answer
   x = 24,204,822.17