Finding the Fourth Proportional to 10,314.56, 15,461.28 and 7,670.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,314.56 : 15,461.28 = 7,670.72 : x
2. Step 2: Convert to fraction form
   10,314.56/15,461.28 = 7,670.72/x
3. Step 3: Cross multiply
   10,314.56x = 15,461.28 × 7,670.72
4. Step 4: Simplify right side
   10,314.56x = 118,599,149.72
5. Step 5: Solve for x
   x = 118,599,149.72/10,314.56
6. Step 6: Final answer
   x = 11,498.23