Finding the Fourth Proportional to 55,868.39, 83,803.49 and 13,748.59

Step by Step Solution

1. Step 1: Write the proportion equation
   55,868.39 : 83,803.49 = 13,748.59 : x
2. Step 2: Convert to fraction form
   55,868.39/83,803.49 = 13,748.59/x
3. Step 3: Cross multiply
   55,868.39x = 83,803.49 × 13,748.59
4. Step 4: Simplify right side
   55,868.39x = 1,152,179,824.58
5. Step 5: Solve for x
   x = 1,152,179,824.58/55,868.39
6. Step 6: Final answer
   x = 20,623.11