Finding the Fourth Proportional to 1,931.02, 2,891.23 and 1,461.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.02 : 2,891.23 = 1,461.13 : x
2. Step 2: Convert to fraction form
   1,931.02/2,891.23 = 1,461.13/x
3. Step 3: Cross multiply
   1,931.02x = 2,891.23 × 1,461.13
4. Step 4: Simplify right side
   1,931.02x = 4,224,462.89
5. Step 5: Solve for x
   x = 4,224,462.89/1,931.02
6. Step 6: Final answer
   x = 2,187.68