Finding the Fourth Proportional to 1,086.13, 1,498.86 and 588.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.13 : 1,498.86 = 588.76 : x
2. Step 2: Convert to fraction form
   1,086.13/1,498.86 = 588.76/x
3. Step 3: Cross multiply
   1,086.13x = 1,498.86 × 588.76
4. Step 4: Simplify right side
   1,086.13x = 882,465.87
5. Step 5: Solve for x
   x = 882,465.87/1,086.13
6. Step 6: Final answer
   x = 812.49