Finding the Fourth Proportional to 2,875.86, 4,312.71 and 1,026.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.86 : 4,312.71 = 1,026.48 : x
2. Step 2: Convert to fraction form
   2,875.86/4,312.71 = 1,026.48/x
3. Step 3: Cross multiply
   2,875.86x = 4,312.71 × 1,026.48
4. Step 4: Simplify right side
   2,875.86x = 4,426,910.56
5. Step 5: Solve for x
   x = 4,426,910.56/2,875.86
6. Step 6: Final answer
   x = 1,539.33