Finding the Fourth Proportional to 31,388.52, 47,082.87 and 7,696.17

Step by Step Solution

1. Step 1: Write the proportion equation
   31,388.52 : 47,082.87 = 7,696.17 : x
2. Step 2: Convert to fraction form
   31,388.52/47,082.87 = 7,696.17/x
3. Step 3: Cross multiply
   31,388.52x = 47,082.87 × 7,696.17
4. Step 4: Simplify right side
   31,388.52x = 362,357,889.32
5. Step 5: Solve for x
   x = 362,357,889.32/31,388.52
6. Step 6: Final answer
   x = 11,544.28