Finding the Fourth Proportional to 846,978.88, 1,168,832.96 and 465,030.24

Step by Step Solution

1. Step 1: Write the proportion equation
   846,978.88 : 1,168,832.96 = 465,030.24 : x
2. Step 2: Convert to fraction form
   846,978.88/1,168,832.96 = 465,030.24/x
3. Step 3: Cross multiply
   846,978.88x = 1,168,832.96 × 465,030.24
4. Step 4: Simplify right side
   846,978.88x = 543,542,671,908.71
5. Step 5: Solve for x
   x = 543,542,671,908.71/846,978.88
6. Step 6: Final answer
   x = 641,742.89