Finding the Fourth Proportional to 1,931.50, 2,664.29 and 1,145.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.50 : 2,664.29 = 1,145.02 : x
2. Step 2: Convert to fraction form
   1,931.50/2,664.29 = 1,145.02/x
3. Step 3: Cross multiply
   1,931.50x = 2,664.29 × 1,145.02
4. Step 4: Simplify right side
   1,931.50x = 3,050,665.34
5. Step 5: Solve for x
   x = 3,050,665.34/1,931.50
6. Step 6: Final answer
   x = 1,579.43