Finding the Fourth Proportional to 23,485.70, 32,411.59 and 13,931.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,485.70 : 32,411.59 = 13,931.25 : x
2. Step 2: Convert to fraction form
   23,485.70/32,411.59 = 13,931.25/x
3. Step 3: Cross multiply
   23,485.70x = 32,411.59 × 13,931.25
4. Step 4: Simplify right side
   23,485.70x = 451,533,963.19
5. Step 5: Solve for x
   x = 451,533,963.19/23,485.70
6. Step 6: Final answer
   x = 19,225.91