Finding the Fourth Proportional to 1,159.93, 1,748.55 and 1,061.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159.93 : 1,748.55 = 1,061.41 : x
2. Step 2: Convert to fraction form
   1,159.93/1,748.55 = 1,061.41/x
3. Step 3: Cross multiply
   1,159.93x = 1,748.55 × 1,061.41
4. Step 4: Simplify right side
   1,159.93x = 1,855,931.34
5. Step 5: Solve for x
   x = 1,855,931.34/1,159.93
6. Step 6: Final answer
   x = 1,600.04