Finding the Fourth Proportional to 10,621.20, 14,657.50 and 5,840.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,621.20 : 14,657.50 = 5,840.84 : x
2. Step 2: Convert to fraction form
   10,621.20/14,657.50 = 5,840.84/x
3. Step 3: Cross multiply
   10,621.20x = 14,657.50 × 5,840.84
4. Step 4: Simplify right side
   10,621.20x = 85,612,112.30
5. Step 5: Solve for x
   x = 85,612,112.30/10,621.20
6. Step 6: Final answer
   x = 8,060.49