Finding the Fourth Proportional to 887,627.76, 1,224,947.88 and 538,772.10

Step by Step Solution

1. Step 1: Write the proportion equation
   887,627.76 : 1,224,947.88 = 538,772.10 : x
2. Step 2: Convert to fraction form
   887,627.76/1,224,947.88 = 538,772.10/x
3. Step 3: Cross multiply
   887,627.76x = 1,224,947.88 × 538,772.10
4. Step 4: Simplify right side
   887,627.76x = 659,967,741,698.15
5. Step 5: Solve for x
   x = 659,967,741,698.15/887,627.76
6. Step 6: Final answer
   x = 743,518.59