Finding the Fourth Proportional to 54,309,443.73, 81,515,359.49 and 19,799,201.55

Step by Step Solution

1. Step 1: Write the proportion equation
   54,309,443.73 : 81,515,359.49 = 19,799,201.55 : x
2. Step 2: Convert to fraction form
   54,309,443.73/81,515,359.49 = 19,799,201.55/x
3. Step 3: Cross multiply
   54,309,443.73x = 81,515,359.49 × 19,799,201.55
4. Step 4: Simplify right side
   54,309,443.73x = 1,613,939,032,169,901.75
5. Step 5: Solve for x
   x = 1,613,939,032,169,901.75/54,309,443.73
6. Step 6: Final answer
   x = 29,717,465.72