Finding the Fourth Proportional to 1,159.01, 1,737.15 and 610.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159.01 : 1,737.15 = 610.91 : x
2. Step 2: Convert to fraction form
   1,159.01/1,737.15 = 610.91/x
3. Step 3: Cross multiply
   1,159.01x = 1,737.15 × 610.91
4. Step 4: Simplify right side
   1,159.01x = 1,061,242.31
5. Step 5: Solve for x
   x = 1,061,242.31/1,159.01
6. Step 6: Final answer
   x = 915.65