Finding the Fourth Proportional to 1,499.14, 2,068.71 and 869.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.14 : 2,068.71 = 869.62 : x
2. Step 2: Convert to fraction form
   1,499.14/2,068.71 = 869.62/x
3. Step 3: Cross multiply
   1,499.14x = 2,068.71 × 869.62
4. Step 4: Simplify right side
   1,499.14x = 1,798,981.25
5. Step 5: Solve for x
   x = 1,798,981.25/1,499.14
6. Step 6: Final answer
   x = 1,200.01