Finding the Fourth Proportional to 1,087.26, 1,498.01 and 713.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.26 : 1,498.01 = 713.59 : x
2. Step 2: Convert to fraction form
   1,087.26/1,498.01 = 713.59/x
3. Step 3: Cross multiply
   1,087.26x = 1,498.01 × 713.59
4. Step 4: Simplify right side
   1,087.26x = 1,068,970.91
5. Step 5: Solve for x
   x = 1,068,970.91/1,087.26
6. Step 6: Final answer
   x = 983.18