Finding the Fourth Proportional to 1,926.63, 2,887.58 and 1,047.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.63 : 2,887.58 = 1,047.05 : x
2. Step 2: Convert to fraction form
   1,926.63/2,887.58 = 1,047.05/x
3. Step 3: Cross multiply
   1,926.63x = 2,887.58 × 1,047.05
4. Step 4: Simplify right side
   1,926.63x = 3,023,435.72
5. Step 5: Solve for x
   x = 3,023,435.72/1,926.63
6. Step 6: Final answer
   x = 1,569.29