Finding the Fourth Proportional to 1,553,167.89, 2,142,857.92 and 908,131.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,167.89 : 2,142,857.92 = 908,131.41 : x
2. Step 2: Convert to fraction form
   1,553,167.89/2,142,857.92 = 908,131.41/x
3. Step 3: Cross multiply
   1,553,167.89x = 2,142,857.92 × 908,131.41
4. Step 4: Simplify right side
   1,553,167.89x = 1,945,996,573,604.98
5. Step 5: Solve for x
   x = 1,945,996,573,604.98/1,553,167.89
6. Step 6: Final answer
   x = 1,252,920.94