Finding the Fourth Proportional to 849,978.16, 1,173,012.96 and 482,481.16

Step by Step Solution

1. Step 1: Write the proportion equation
   849,978.16 : 1,173,012.96 = 482,481.16 : x
2. Step 2: Convert to fraction form
   849,978.16/1,173,012.96 = 482,481.16/x
3. Step 3: Cross multiply
   849,978.16x = 1,173,012.96 × 482,481.16
4. Step 4: Simplify right side
   849,978.16x = 565,956,653,635.83
5. Step 5: Solve for x
   x = 565,956,653,635.83/849,978.16
6. Step 6: Final answer
   x = 665,848.47