Finding the Fourth Proportional to 6,298.78, 9,449.52 and 1,916.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,298.78 : 9,449.52 = 1,916.59 : x
2. Step 2: Convert to fraction form
   6,298.78/9,449.52 = 1,916.59/x
3. Step 3: Cross multiply
   6,298.78x = 9,449.52 × 1,916.59
4. Step 4: Simplify right side
   6,298.78x = 18,110,808.29
5. Step 5: Solve for x
   x = 18,110,808.29/6,298.78
6. Step 6: Final answer
   x = 2,875.29