Finding the Fourth Proportional to 1,926.52, 2,656.50 and 1,263.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.52 : 2,656.50 = 1,263.40 : x
2. Step 2: Convert to fraction form
   1,926.52/2,656.50 = 1,263.40/x
3. Step 3: Cross multiply
   1,926.52x = 2,656.50 × 1,263.40
4. Step 4: Simplify right side
   1,926.52x = 3,356,222.10
5. Step 5: Solve for x
   x = 3,356,222.10/1,926.52
6. Step 6: Final answer
   x = 1,742.12