Finding the Fourth Proportional to 10,056.72, 15,069.69 and 4,210.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,056.72 : 15,069.69 = 4,210.14 : x
2. Step 2: Convert to fraction form
   10,056.72/15,069.69 = 4,210.14/x
3. Step 3: Cross multiply
   10,056.72x = 15,069.69 × 4,210.14
4. Step 4: Simplify right side
   10,056.72x = 63,445,504.66
5. Step 5: Solve for x
   x = 63,445,504.66/10,056.72
6. Step 6: Final answer
   x = 6,308.77