Finding the Fourth Proportional to 1,111.84, 1,534.32 and 614.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.84 : 1,534.32 = 614.50 : x
2. Step 2: Convert to fraction form
   1,111.84/1,534.32 = 614.50/x
3. Step 3: Cross multiply
   1,111.84x = 1,534.32 × 614.50
4. Step 4: Simplify right side
   1,111.84x = 942,841.56
5. Step 5: Solve for x
   x = 942,841.56/1,111.84
6. Step 6: Final answer
   x = 848.00