Finding the Fourth Proportional to 2,061.53, 2,845.10 and 1,177.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.53 : 2,845.10 = 1,177.40 : x
2. Step 2: Convert to fraction form
   2,061.53/2,845.10 = 1,177.40/x
3. Step 3: Cross multiply
   2,061.53x = 2,845.10 × 1,177.40
4. Step 4: Simplify right side
   2,061.53x = 3,349,809.46
5. Step 5: Solve for x
   x = 3,349,809.46/2,061.53
6. Step 6: Final answer
   x = 1,624.92