Finding the Fourth Proportional to 55,618.07, 83,426.41 and 13,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,618.07 : 83,426.41 = 13,498.50 : x
2. Step 2: Convert to fraction form
   55,618.07/83,426.41 = 13,498.50/x
3. Step 3: Cross multiply
   55,618.07x = 83,426.41 × 13,498.50
4. Step 4: Simplify right side
   55,618.07x = 1,126,131,395.39
5. Step 5: Solve for x
   x = 1,126,131,395.39/55,618.07
6. Step 6: Final answer
   x = 20,247.58