Finding the Fourth Proportional to 25,828.02, 35,641.50 and 15,754.86

Step by Step Solution

1. Step 1: Write the proportion equation
   25,828.02 : 35,641.50 = 15,754.86 : x
2. Step 2: Convert to fraction form
   25,828.02/35,641.50 = 15,754.86/x
3. Step 3: Cross multiply
   25,828.02x = 35,641.50 × 15,754.86
4. Step 4: Simplify right side
   25,828.02x = 561,526,842.69
5. Step 5: Solve for x
   x = 561,526,842.69/25,828.02
6. Step 6: Final answer
   x = 21,740.99