Finding the Fourth Proportional to 14,346.60, 21,513.42 and 5,112.84

Step by Step Solution

1. Step 1: Write the proportion equation
   14,346.60 : 21,513.42 = 5,112.84 : x
2. Step 2: Convert to fraction form
   14,346.60/21,513.42 = 5,112.84/x
3. Step 3: Cross multiply
   14,346.60x = 21,513.42 × 5,112.84
4. Step 4: Simplify right side
   14,346.60x = 109,994,674.31
5. Step 5: Solve for x
   x = 109,994,674.31/14,346.60
6. Step 6: Final answer
   x = 7,666.95