Finding the Fourth Proportional to 31,548,443.79, 43,544,116.53 and 18,499,906.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,548,443.79 : 43,544,116.53 = 18,499,906.47 : x
2. Step 2: Convert to fraction form
   31,548,443.79/43,544,116.53 = 18,499,906.47/x
3. Step 3: Cross multiply
   31,548,443.79x = 43,544,116.53 × 18,499,906.47
4. Step 4: Simplify right side
   31,548,443.79x = 805,562,083,123,780.88
5. Step 5: Solve for x
   x = 805,562,083,123,780.88/31,548,443.79
6. Step 6: Final answer
   x = 25,534,130.57