Finding the Fourth Proportional to 1,014,691.31, 1,522,108.02 and 407,479.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,014,691.31 : 1,522,108.02 = 407,479.59 : x
2. Step 2: Convert to fraction form
   1,014,691.31/1,522,108.02 = 407,479.59/x
3. Step 3: Cross multiply
   1,014,691.31x = 1,522,108.02 × 407,479.59
4. Step 4: Simplify right side
   1,014,691.31x = 620,227,951,925.31
5. Step 5: Solve for x
   x = 620,227,951,925.31/1,014,691.31
6. Step 6: Final answer
   x = 611,247.92