Finding the Fourth Proportional to 25,505.79, 35,187.91 and 14,748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,505.79 : 35,187.91 = 14,748.72 : x
2. Step 2: Convert to fraction form
   25,505.79/35,187.91 = 14,748.72/x
3. Step 3: Cross multiply
   25,505.79x = 35,187.91 × 14,748.72
4. Step 4: Simplify right side
   25,505.79x = 518,976,631.98
5. Step 5: Solve for x
   x = 518,976,631.98/25,505.79
6. Step 6: Final answer
   x = 20,347.40