Finding the Fourth Proportional to 855,384.20, 1,281,659.46 and 601,423.89

Step by Step Solution

1. Step 1: Write the proportion equation
   855,384.20 : 1,281,659.46 = 601,423.89 : x
2. Step 2: Convert to fraction form
   855,384.20/1,281,659.46 = 601,423.89/x
3. Step 3: Cross multiply
   855,384.20x = 1,281,659.46 × 601,423.89
4. Step 4: Simplify right side
   855,384.20x = 770,820,618,088.50
5. Step 5: Solve for x
   x = 770,820,618,088.50/855,384.20
6. Step 6: Final answer
   x = 901,139.65