Finding the Fourth Proportional to 31,195,498.14, 43,035,280.56 and 20,185,801.97

Step by Step Solution

1. Step 1: Write the proportion equation
   31,195,498.14 : 43,035,280.56 = 20,185,801.97 : x
2. Step 2: Convert to fraction form
   31,195,498.14/43,035,280.56 = 20,185,801.97/x
3. Step 3: Cross multiply
   31,195,498.14x = 43,035,280.56 × 20,185,801.97
4. Step 4: Simplify right side
   31,195,498.14x = 868,701,650,892,374.38
5. Step 5: Solve for x
   x = 868,701,650,892,374.38/31,195,498.14
6. Step 6: Final answer
   x = 27,847,019.69