Finding the Fourth Proportional to 10,947.61, 15,091.96 and 7,798.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.61 : 15,091.96 = 7,798.33 : x
2. Step 2: Convert to fraction form
   10,947.61/15,091.96 = 7,798.33/x
3. Step 3: Cross multiply
   10,947.61x = 15,091.96 × 7,798.33
4. Step 4: Simplify right side
   10,947.61x = 117,692,045.44
5. Step 5: Solve for x
   x = 117,692,045.44/10,947.61
6. Step 6: Final answer
   x = 10,750.48