Finding the Fourth Proportional to 1,916.32, 2,870.16 and 1,341.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.32 : 2,870.16 = 1,341.76 : x
2. Step 2: Convert to fraction form
   1,916.32/2,870.16 = 1,341.76/x
3. Step 3: Cross multiply
   1,916.32x = 2,870.16 × 1,341.76
4. Step 4: Simplify right side
   1,916.32x = 3,851,065.88
5. Step 5: Solve for x
   x = 3,851,065.88/1,916.32
6. Step 6: Final answer
   x = 2,009.62