Finding the Fourth Proportional to 35,387.72, 53,089.78 and 12,014.16

Step by Step Solution

1. Step 1: Write the proportion equation
   35,387.72 : 53,089.78 = 12,014.16 : x
2. Step 2: Convert to fraction form
   35,387.72/53,089.78 = 12,014.16/x
3. Step 3: Cross multiply
   35,387.72x = 53,089.78 × 12,014.16
4. Step 4: Simplify right side
   35,387.72x = 637,828,904.69
5. Step 5: Solve for x
   x = 637,828,904.69/35,387.72
6. Step 6: Final answer
   x = 18,024.02