Finding the Fourth Proportional to 904,955.47, 1,248,925.27 and 517,693.98

Step by Step Solution

1. Step 1: Write the proportion equation
   904,955.47 : 1,248,925.27 = 517,693.98 : x
2. Step 2: Convert to fraction form
   904,955.47/1,248,925.27 = 517,693.98/x
3. Step 3: Cross multiply
   904,955.47x = 1,248,925.27 × 517,693.98
4. Step 4: Simplify right side
   904,955.47x = 646,561,099,564.80
5. Step 5: Solve for x
   x = 646,561,099,564.80/904,955.47
6. Step 6: Final answer
   x = 714,467.31