Finding the Fourth Proportional to 1,499.40, 2,250.18 and 526.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.40 : 2,250.18 = 526.32 : x
2. Step 2: Convert to fraction form
   1,499.40/2,250.18 = 526.32/x
3. Step 3: Cross multiply
   1,499.40x = 2,250.18 × 526.32
4. Step 4: Simplify right side
   1,499.40x = 1,184,314.74
5. Step 5: Solve for x
   x = 1,184,314.74/1,499.40
6. Step 6: Final answer
   x = 789.86