Finding the Fourth Proportional to 1,527.81, 2,293.61 and 1,520.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527.81 : 2,293.61 = 1,520.79 : x
2. Step 2: Convert to fraction form
   1,527.81/2,293.61 = 1,520.79/x
3. Step 3: Cross multiply
   1,527.81x = 2,293.61 × 1,520.79
4. Step 4: Simplify right side
   1,527.81x = 3,488,099.15
5. Step 5: Solve for x
   x = 3,488,099.15/1,527.81
6. Step 6: Final answer
   x = 2,283.07