Finding the Fourth Proportional to 1,875.69, 2,588.45 and 1,047.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.69 : 2,588.45 = 1,047.69 : x
2. Step 2: Convert to fraction form
   1,875.69/2,588.45 = 1,047.69/x
3. Step 3: Cross multiply
   1,875.69x = 2,588.45 × 1,047.69
4. Step 4: Simplify right side
   1,875.69x = 2,711,893.18
5. Step 5: Solve for x
   x = 2,711,893.18/1,875.69
6. Step 6: Final answer
   x = 1,445.81