Finding the Fourth Proportional to 1,086.51, 1,499.01 and 614.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.51 : 1,499.01 = 614.34 : x
2. Step 2: Convert to fraction form
   1,086.51/1,499.01 = 614.34/x
3. Step 3: Cross multiply
   1,086.51x = 1,499.01 × 614.34
4. Step 4: Simplify right side
   1,086.51x = 920,901.80
5. Step 5: Solve for x
   x = 920,901.80/1,086.51
6. Step 6: Final answer
   x = 847.58