Finding the Fourth Proportional to 14,406.59, 21,612.49 and 7,011.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,406.59 : 21,612.49 = 7,011.05 : x
2. Step 2: Convert to fraction form
   14,406.59/21,612.49 = 7,011.05/x
3. Step 3: Cross multiply
   14,406.59x = 21,612.49 × 7,011.05
4. Step 4: Simplify right side
   14,406.59x = 151,526,211.51
5. Step 5: Solve for x
   x = 151,526,211.51/14,406.59
6. Step 6: Final answer
   x = 10,517.84