Finding the Fourth Proportional to 592,426.52, 817,545.18 and 320,493.59

Step by Step Solution

1. Step 1: Write the proportion equation
   592,426.52 : 817,545.18 = 320,493.59 : x
2. Step 2: Convert to fraction form
   592,426.52/817,545.18 = 320,493.59/x
3. Step 3: Cross multiply
   592,426.52x = 817,545.18 × 320,493.59
4. Step 4: Simplify right side
   592,426.52x = 262,017,989,725.40
5. Step 5: Solve for x
   x = 262,017,989,725.40/592,426.52
6. Step 6: Final answer
   x = 442,279.31