Finding the Fourth Proportional to 1,553,086.91, 2,329,654.47 and 488,128.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,086.91 : 2,329,654.47 = 488,128.98 : x
2. Step 2: Convert to fraction form
   1,553,086.91/2,329,654.47 = 488,128.98/x
3. Step 3: Cross multiply
   1,553,086.91x = 2,329,654.47 × 488,128.98
4. Step 4: Simplify right side
   1,553,086.91x = 1,137,171,867,099.26
5. Step 5: Solve for x
   x = 1,137,171,867,099.26/1,553,086.91
6. Step 6: Final answer
   x = 732,201.05