Finding the Fourth Proportional to 35,410.50, 53,124.86 and 13,224.04

Step by Step Solution

1. Step 1: Write the proportion equation
   35,410.50 : 53,124.86 = 13,224.04 : x
2. Step 2: Convert to fraction form
   35,410.50/53,124.86 = 13,224.04/x
3. Step 3: Cross multiply
   35,410.50x = 53,124.86 × 13,224.04
4. Step 4: Simplify right side
   35,410.50x = 702,525,173.88
5. Step 5: Solve for x
   x = 702,525,173.88/35,410.50
6. Step 6: Final answer
   x = 19,839.46