Finding the Fourth Proportional to 5,886.32, 8,123.52 and 3,893.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,886.32 : 8,123.52 = 3,893.40 : x
2. Step 2: Convert to fraction form
   5,886.32/8,123.52 = 3,893.40/x
3. Step 3: Cross multiply
   5,886.32x = 8,123.52 × 3,893.40
4. Step 4: Simplify right side
   5,886.32x = 31,628,112.77
5. Step 5: Solve for x
   x = 31,628,112.77/5,886.32
6. Step 6: Final answer
   x = 5,373.16