Finding the Fourth Proportional to 1,499.13, 2,068.70 and 1,145.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.13 : 2,068.70 = 1,145.29 : x
2. Step 2: Convert to fraction form
   1,499.13/2,068.70 = 1,145.29/x
3. Step 3: Cross multiply
   1,499.13x = 2,068.70 × 1,145.29
4. Step 4: Simplify right side
   1,499.13x = 2,369,261.42
5. Step 5: Solve for x
   x = 2,369,261.42/1,499.13
6. Step 6: Final answer
   x = 1,580.42