Finding the Fourth Proportional to 10,156.06, 15,229.98 and 6,870.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.06 : 15,229.98 = 6,870.10 : x
2. Step 2: Convert to fraction form
   10,156.06/15,229.98 = 6,870.10/x
3. Step 3: Cross multiply
   10,156.06x = 15,229.98 × 6,870.10
4. Step 4: Simplify right side
   10,156.06x = 104,631,485.60
5. Step 5: Solve for x
   x = 104,631,485.60/10,156.06
6. Step 6: Final answer
   x = 10,302.37