Finding the Fourth Proportional to 10,093.42, 15,126.31 and 5,152.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,093.42 : 15,126.31 = 5,152.70 : x
2. Step 2: Convert to fraction form
   10,093.42/15,126.31 = 5,152.70/x
3. Step 3: Cross multiply
   10,093.42x = 15,126.31 × 5,152.70
4. Step 4: Simplify right side
   10,093.42x = 77,941,337.54
5. Step 5: Solve for x
   x = 77,941,337.54/10,093.42
6. Step 6: Final answer
   x = 7,721.99