Finding the Fourth Proportional to 10,490.59, 15,736.53 and 3,914.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,490.59 : 15,736.53 = 3,914.56 : x
2. Step 2: Convert to fraction form
   10,490.59/15,736.53 = 3,914.56/x
3. Step 3: Cross multiply
   10,490.59x = 15,736.53 × 3,914.56
4. Step 4: Simplify right side
   10,490.59x = 61,601,590.88
5. Step 5: Solve for x
   x = 61,601,590.88/10,490.59
6. Step 6: Final answer
   x = 5,872.08