Finding the Fourth Proportional to 867,007.35, 1,196,443.12 and 479,799.47

Step by Step Solution

1. Step 1: Write the proportion equation
   867,007.35 : 1,196,443.12 = 479,799.47 : x
2. Step 2: Convert to fraction form
   867,007.35/1,196,443.12 = 479,799.47/x
3. Step 3: Cross multiply
   867,007.35x = 1,196,443.12 × 479,799.47
4. Step 4: Simplify right side
   867,007.35x = 574,052,774,861.15
5. Step 5: Solve for x
   x = 574,052,774,861.15/867,007.35
6. Step 6: Final answer
   x = 662,108.31