Finding the Fourth Proportional to 2,780.10, 4,168.29 and 1,136.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780.10 : 4,168.29 = 1,136.22 : x
2. Step 2: Convert to fraction form
   2,780.10/4,168.29 = 1,136.22/x
3. Step 3: Cross multiply
   2,780.10x = 4,168.29 × 1,136.22
4. Step 4: Simplify right side
   2,780.10x = 4,736,094.46
5. Step 5: Solve for x
   x = 4,736,094.46/2,780.10
6. Step 6: Final answer
   x = 1,703.57