Finding the Fourth Proportional to 10,927.72, 15,068.29 and 7,384.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,927.72 : 15,068.29 = 7,384.78 : x
2. Step 2: Convert to fraction form
   10,927.72/15,068.29 = 7,384.78/x
3. Step 3: Cross multiply
   10,927.72x = 15,068.29 × 7,384.78
4. Step 4: Simplify right side
   10,927.72x = 111,276,006.63
5. Step 5: Solve for x
   x = 111,276,006.63/10,927.72
6. Step 6: Final answer
   x = 10,182.91