Finding the Fourth Proportional to 2,869.76, 4,302.32 and 1,019.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,869.76 : 4,302.32 = 1,019.86 : x
2. Step 2: Convert to fraction form
   2,869.76/4,302.32 = 1,019.86/x
3. Step 3: Cross multiply
   2,869.76x = 4,302.32 × 1,019.86
4. Step 4: Simplify right side
   2,869.76x = 4,387,748.22
5. Step 5: Solve for x
   x = 4,387,748.22/2,869.76
6. Step 6: Final answer
   x = 1,528.96