Finding the Fourth Proportional to 15,443.60, 23,134.52 and 7,112.08

Step by Step Solution

1. Step 1: Write the proportion equation
   15,443.60 : 23,134.52 = 7,112.08 : x
2. Step 2: Convert to fraction form
   15,443.60/23,134.52 = 7,112.08/x
3. Step 3: Cross multiply
   15,443.60x = 23,134.52 × 7,112.08
4. Step 4: Simplify right side
   15,443.60x = 164,534,557.00
5. Step 5: Solve for x
   x = 164,534,557.00/15,443.60
6. Step 6: Final answer
   x = 10,653.90