Finding the Fourth Proportional to 25,588.42, 35,314.61 and 14,259.76

Step by Step Solution

1. Step 1: Write the proportion equation
   25,588.42 : 35,314.61 = 14,259.76 : x
2. Step 2: Convert to fraction form
   25,588.42/35,314.61 = 14,259.76/x
3. Step 3: Cross multiply
   25,588.42x = 35,314.61 × 14,259.76
4. Step 4: Simplify right side
   25,588.42x = 503,577,810.46
5. Step 5: Solve for x
   x = 503,577,810.46/25,588.42
6. Step 6: Final answer
   x = 19,679.91