Finding the Fourth Proportional to 1,034.50, 1,427.82 and 615.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.50 : 1,427.82 = 615.01 : x
2. Step 2: Convert to fraction form
   1,034.50/1,427.82 = 615.01/x
3. Step 3: Cross multiply
   1,034.50x = 1,427.82 × 615.01
4. Step 4: Simplify right side
   1,034.50x = 878,123.58
5. Step 5: Solve for x
   x = 878,123.58/1,034.50
6. Step 6: Final answer
   x = 848.84