Finding the Fourth Proportional to 10,156.02, 15,223.62 and 3,913.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.02 : 15,223.62 = 3,913.57 : x
2. Step 2: Convert to fraction form
   10,156.02/15,223.62 = 3,913.57/x
3. Step 3: Cross multiply
   10,156.02x = 15,223.62 × 3,913.57
4. Step 4: Simplify right side
   10,156.02x = 59,578,702.52
5. Step 5: Solve for x
   x = 59,578,702.52/10,156.02
6. Step 6: Final answer
   x = 5,866.34