Finding the Fourth Proportional to 10,156.01, 15,227.06 and 5,412.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.01 : 15,227.06 = 5,412.88 : x
2. Step 2: Convert to fraction form
   10,156.01/15,227.06 = 5,412.88/x
3. Step 3: Cross multiply
   10,156.01x = 15,227.06 × 5,412.88
4. Step 4: Simplify right side
   10,156.01x = 82,422,224.00
5. Step 5: Solve for x
   x = 82,422,224.00/10,156.01
6. Step 6: Final answer
   x = 8,115.61