Finding the Fourth Proportional to 14,139.50, 19,513.32 and 7,852.28

Step by Step Solution

1. Step 1: Write the proportion equation
   14,139.50 : 19,513.32 = 7,852.28 : x
2. Step 2: Convert to fraction form
   14,139.50/19,513.32 = 7,852.28/x
3. Step 3: Cross multiply
   14,139.50x = 19,513.32 × 7,852.28
4. Step 4: Simplify right side
   14,139.50x = 153,224,052.37
5. Step 5: Solve for x
   x = 153,224,052.37/14,139.50
6. Step 6: Final answer
   x = 10,836.60