Finding the Fourth Proportional to 592,091.55, 817,085.78 and 320,158.82

Step by Step Solution

1. Step 1: Write the proportion equation
   592,091.55 : 817,085.78 = 320,158.82 : x
2. Step 2: Convert to fraction form
   592,091.55/817,085.78 = 320,158.82/x
3. Step 3: Cross multiply
   592,091.55x = 817,085.78 × 320,158.82
4. Step 4: Simplify right side
   592,091.55x = 261,597,213,477.36
5. Step 5: Solve for x
   x = 261,597,213,477.36/592,091.55
6. Step 6: Final answer
   x = 441,818.86