Finding the Fourth Proportional to 5,861.60, 8,104.56 and 5,123.84

Step by Step Solution

1. Step 1: Write the proportion equation
   5,861.60 : 8,104.56 = 5,123.84 : x
2. Step 2: Convert to fraction form
   5,861.60/8,104.56 = 5,123.84/x
3. Step 3: Cross multiply
   5,861.60x = 8,104.56 × 5,123.84
4. Step 4: Simplify right side
   5,861.60x = 41,526,468.71
5. Step 5: Solve for x
   x = 41,526,468.71/5,861.60
6. Step 6: Final answer
   x = 7,084.49