Finding the Fourth Proportional to 921,401.23, 1,382,171.82 and 314,000.77

Step by Step Solution

1. Step 1: Write the proportion equation
   921,401.23 : 1,382,171.82 = 314,000.77 : x
2. Step 2: Convert to fraction form
   921,401.23/1,382,171.82 = 314,000.77/x
3. Step 3: Cross multiply
   921,401.23x = 1,382,171.82 × 314,000.77
4. Step 4: Simplify right side
   921,401.23x = 434,003,015,752.30
5. Step 5: Solve for x
   x = 434,003,015,752.30/921,401.23
6. Step 6: Final answer
   x = 471,025.00