Finding the Fourth Proportional to 962,061.62, 1,442,686.42 and 288,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   962,061.62 : 1,442,686.42 = 288,238.72 : x
2. Step 2: Convert to fraction form
   962,061.62/1,442,686.42 = 288,238.72/x
3. Step 3: Cross multiply
   962,061.62x = 1,442,686.42 × 288,238.72
4. Step 4: Simplify right side
   962,061.62x = 415,838,087,062.18
5. Step 5: Solve for x
   x = 415,838,087,062.18/962,061.62
6. Step 6: Final answer
   x = 432,236.44