Finding the Fourth Proportional to 14,100.05, 21,155.61 and 5,784.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,100.05 : 21,155.61 = 5,784.05 : x
2. Step 2: Convert to fraction form
   14,100.05/21,155.61 = 5,784.05/x
3. Step 3: Cross multiply
   14,100.05x = 21,155.61 × 5,784.05
4. Step 4: Simplify right side
   14,100.05x = 122,365,000.24
5. Step 5: Solve for x
   x = 122,365,000.24/14,100.05
6. Step 6: Final answer
   x = 8,678.34