Finding the Fourth Proportional to 1,098,573.30, 1,515,855.78 and 615,158.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,573.30 : 1,515,855.78 = 615,158.82 : x
2. Step 2: Convert to fraction form
   1,098,573.30/1,515,855.78 = 615,158.82/x
3. Step 3: Cross multiply
   1,098,573.30x = 1,515,855.78 × 615,158.82
4. Step 4: Simplify right side
   1,098,573.30x = 932,492,052,914.98
5. Step 5: Solve for x
   x = 932,492,052,914.98/1,098,573.30
6. Step 6: Final answer
   x = 848,820.97