Finding the Fourth Proportional to 14,470.73, 21,700.58 and 5,109.01

Step by Step Solution

1. Step 1: Write the proportion equation
   14,470.73 : 21,700.58 = 5,109.01 : x
2. Step 2: Convert to fraction form
   14,470.73/21,700.58 = 5,109.01/x
3. Step 3: Cross multiply
   14,470.73x = 21,700.58 × 5,109.01
4. Step 4: Simplify right side
   14,470.73x = 110,868,400.43
5. Step 5: Solve for x
   x = 110,868,400.43/14,470.73
6. Step 6: Final answer
   x = 7,661.56