Finding the Fourth Proportional to 10,544.32, 15,783.54 and 7,037.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,544.32 : 15,783.54 = 7,037.20 : x
2. Step 2: Convert to fraction form
   10,544.32/15,783.54 = 7,037.20/x
3. Step 3: Cross multiply
   10,544.32x = 15,783.54 × 7,037.20
4. Step 4: Simplify right side
   10,544.32x = 111,071,927.69
5. Step 5: Solve for x
   x = 111,071,927.69/10,544.32
6. Step 6: Final answer
   x = 10,533.82