Finding the Fourth Proportional to 2,300.13, 3,174.03 and 1,278.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.13 : 3,174.03 = 1,278.02 : x
2. Step 2: Convert to fraction form
   2,300.13/3,174.03 = 1,278.02/x
3. Step 3: Cross multiply
   2,300.13x = 3,174.03 × 1,278.02
4. Step 4: Simplify right side
   2,300.13x = 4,056,457.95
5. Step 5: Solve for x
   x = 4,056,457.95/2,300.13
6. Step 6: Final answer
   x = 1,763.58