Finding the Fourth Proportional to 826,987.36, 1,141,242.56 and 464,411.52

Step by Step Solution

1. Step 1: Write the proportion equation
   826,987.36 : 1,141,242.56 = 464,411.52 : x
2. Step 2: Convert to fraction form
   826,987.36/1,141,242.56 = 464,411.52/x
3. Step 3: Cross multiply
   826,987.36x = 1,141,242.56 × 464,411.52
4. Step 4: Simplify right side
   826,987.36x = 530,006,191,978.29
5. Step 5: Solve for x
   x = 530,006,191,978.29/826,987.36
6. Step 6: Final answer
   x = 640,887.90