Finding the Fourth Proportional to 1,112.08, 1,534.67 and 614.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.08 : 1,534.67 = 614.72 : x
2. Step 2: Convert to fraction form
   1,112.08/1,534.67 = 614.72/x
3. Step 3: Cross multiply
   1,112.08x = 1,534.67 × 614.72
4. Step 4: Simplify right side
   1,112.08x = 943,397.72
5. Step 5: Solve for x
   x = 943,397.72/1,112.08
6. Step 6: Final answer
   x = 848.32