Finding the Fourth Proportional to 1,760.17, 2,641.17 and 1,277.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.17 : 2,641.17 = 1,277.21 : x
2. Step 2: Convert to fraction form
   1,760.17/2,641.17 = 1,277.21/x
3. Step 3: Cross multiply
   1,760.17x = 2,641.17 × 1,277.21
4. Step 4: Simplify right side
   1,760.17x = 3,373,312.34
5. Step 5: Solve for x
   x = 3,373,312.34/1,760.17
6. Step 6: Final answer
   x = 1,916.47