Finding the Fourth Proportional to 1,833.91, 2,530.14 and 1,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,833.91 : 2,530.14 = 1,047.50 : x
2. Step 2: Convert to fraction form
   1,833.91/2,530.14 = 1,047.50/x
3. Step 3: Cross multiply
   1,833.91x = 2,530.14 × 1,047.50
4. Step 4: Simplify right side
   1,833.91x = 2,650,314.56
5. Step 5: Solve for x
   x = 2,650,314.56/1,833.91
6. Step 6: Final answer
   x = 1,445.17