Finding the Fourth Proportional to 11,297.93, 15,573.86 and 7,931.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,297.93 : 15,573.86 = 7,931.30 : x
2. Step 2: Convert to fraction form
   11,297.93/15,573.86 = 7,931.30/x
3. Step 3: Cross multiply
   11,297.93x = 15,573.86 × 7,931.30
4. Step 4: Simplify right side
   11,297.93x = 123,520,955.82
5. Step 5: Solve for x
   x = 123,520,955.82/11,297.93
6. Step 6: Final answer
   x = 10,933.06