Finding the Fourth Proportional to 802,642.32, 1,107,641.52 and 440,081.52

Step by Step Solution

1. Step 1: Write the proportion equation
   802,642.32 : 1,107,641.52 = 440,081.52 : x
2. Step 2: Convert to fraction form
   802,642.32/1,107,641.52 = 440,081.52/x
3. Step 3: Cross multiply
   802,642.32x = 1,107,641.52 × 440,081.52
4. Step 4: Simplify right side
   802,642.32x = 487,452,563,736.71
5. Step 5: Solve for x
   x = 487,452,563,736.71/802,642.32
6. Step 6: Final answer
   x = 607,309.82