Finding the Fourth Proportional to 23,501.94, 32,430.63 and 13,428.38

Step by Step Solution

1. Step 1: Write the proportion equation
   23,501.94 : 32,430.63 = 13,428.38 : x
2. Step 2: Convert to fraction form
   23,501.94/32,430.63 = 13,428.38/x
3. Step 3: Cross multiply
   23,501.94x = 32,430.63 × 13,428.38
4. Step 4: Simplify right side
   23,501.94x = 435,490,823.28
5. Step 5: Solve for x
   x = 435,490,823.28/23,501.94
6. Step 6: Final answer
   x = 18,529.99