Finding the Fourth Proportional to 10,139.76, 15,196.32 and 6,246.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,139.76 : 15,196.32 = 6,246.72 : x
2. Step 2: Convert to fraction form
   10,139.76/15,196.32 = 6,246.72/x
3. Step 3: Cross multiply
   10,139.76x = 15,196.32 × 6,246.72
4. Step 4: Simplify right side
   10,139.76x = 94,927,156.07
5. Step 5: Solve for x
   x = 94,927,156.07/10,139.76
6. Step 6: Final answer
   x = 9,361.87