Finding the Fourth Proportional to 838,269.94, 1,156,838.61 and 456,322.18

Step by Step Solution

1. Step 1: Write the proportion equation
   838,269.94 : 1,156,838.61 = 456,322.18 : x
2. Step 2: Convert to fraction form
   838,269.94/1,156,838.61 = 456,322.18/x
3. Step 3: Cross multiply
   838,269.94x = 1,156,838.61 × 456,322.18
4. Step 4: Simplify right side
   838,269.94x = 527,891,116,423.37
5. Step 5: Solve for x
   x = 527,891,116,423.37/838,269.94
6. Step 6: Final answer
   x = 629,738.81