Finding the Fourth Proportional to 18,453.60, 25,465.59 and 10,070.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,453.60 : 25,465.59 = 10,070.10 : x
2. Step 2: Convert to fraction form
   18,453.60/25,465.59 = 10,070.10/x
3. Step 3: Cross multiply
   18,453.60x = 25,465.59 × 10,070.10
4. Step 4: Simplify right side
   18,453.60x = 256,441,037.86
5. Step 5: Solve for x
   x = 256,441,037.86/18,453.60
6. Step 6: Final answer
   x = 13,896.53