Finding the Fourth Proportional to 13,746.52, 18,969.69 and 7,458.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,746.52 : 18,969.69 = 7,458.76 : x
2. Step 2: Convert to fraction form
   13,746.52/18,969.69 = 7,458.76/x
3. Step 3: Cross multiply
   13,746.52x = 18,969.69 × 7,458.76
4. Step 4: Simplify right side
   13,746.52x = 141,490,364.98
5. Step 5: Solve for x
   x = 141,490,364.98/13,746.52
6. Step 6: Final answer
   x = 10,292.81