Finding the Fourth Proportional to 25,667.18, 35,418.15 and 14,334.87

Step by Step Solution

1. Step 1: Write the proportion equation
   25,667.18 : 35,418.15 = 14,334.87 : x
2. Step 2: Convert to fraction form
   25,667.18/35,418.15 = 14,334.87/x
3. Step 3: Cross multiply
   25,667.18x = 35,418.15 × 14,334.87
4. Step 4: Simplify right side
   25,667.18x = 507,714,575.89
5. Step 5: Solve for x
   x = 507,714,575.89/25,667.18
6. Step 6: Final answer
   x = 19,780.70