Finding the Fourth Proportional to 10,156.68, 15,233.47 and 3,915.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.68 : 15,233.47 = 3,915.78 : x
2. Step 2: Convert to fraction form
   10,156.68/15,233.47 = 3,915.78/x
3. Step 3: Cross multiply
   10,156.68x = 15,233.47 × 3,915.78
4. Step 4: Simplify right side
   10,156.68x = 59,650,864.39
5. Step 5: Solve for x
   x = 59,650,864.39/10,156.68
6. Step 6: Final answer
   x = 5,873.07