Finding the Fourth Proportional to 867,007.98, 1,196,443.98 and 479,800.10

Step by Step Solution

1. Step 1: Write the proportion equation
   867,007.98 : 1,196,443.98 = 479,800.10 : x
2. Step 2: Convert to fraction form
   867,007.98/1,196,443.98 = 479,800.10/x
3. Step 3: Cross multiply
   867,007.98x = 1,196,443.98 × 479,800.10
4. Step 4: Simplify right side
   867,007.98x = 574,053,935,266.18
5. Step 5: Solve for x
   x = 574,053,935,266.18/867,007.98
6. Step 6: Final answer
   x = 662,109.17