Finding the Fourth Proportional to 55,733.14, 83,598.63 and 13,613.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,733.14 : 83,598.63 = 13,613.50 : x
2. Step 2: Convert to fraction form
   55,733.14/83,598.63 = 13,613.50/x
3. Step 3: Cross multiply
   55,733.14x = 83,598.63 × 13,613.50
4. Step 4: Simplify right side
   55,733.14x = 1,138,069,949.51
5. Step 5: Solve for x
   x = 1,138,069,949.51/55,733.14
6. Step 6: Final answer
   x = 20,419.99