Finding the Fourth Proportional to 1,042,528.32, 1,563,990.72 and 359,233.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042,528.32 : 1,563,990.72 = 359,233.92 : x
2. Step 2: Convert to fraction form
   1,042,528.32/1,563,990.72 = 359,233.92/x
3. Step 3: Cross multiply
   1,042,528.32x = 1,563,990.72 × 359,233.92
4. Step 4: Simplify right side
   1,042,528.32x = 561,838,517,189.22
5. Step 5: Solve for x
   x = 561,838,517,189.22/1,042,528.32
6. Step 6: Final answer
   x = 538,919.19