Finding the Fourth Proportional to 6,789.32, 10,182.76 and 1,858.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,789.32 : 10,182.76 = 1,858.55 : x
2. Step 2: Convert to fraction form
   6,789.32/10,182.76 = 1,858.55/x
3. Step 3: Cross multiply
   6,789.32x = 10,182.76 × 1,858.55
4. Step 4: Simplify right side
   6,789.32x = 18,925,123.49
5. Step 5: Solve for x
   x = 18,925,123.49/6,789.32
6. Step 6: Final answer
   x = 2,787.48