Finding the Fourth Proportional to 40,986.02, 61,487.69 and 12,914.05

Step by Step Solution

1. Step 1: Write the proportion equation
   40,986.02 : 61,487.69 = 12,914.05 : x
2. Step 2: Convert to fraction form
   40,986.02/61,487.69 = 12,914.05/x
3. Step 3: Cross multiply
   40,986.02x = 61,487.69 × 12,914.05
4. Step 4: Simplify right side
   40,986.02x = 794,055,103.04
5. Step 5: Solve for x
   x = 794,055,103.04/40,986.02
6. Step 6: Final answer
   x = 19,373.80