Finding the Fourth Proportional to 55,886.96, 83,830.16 and 13,766.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,886.96 : 83,830.16 = 13,766.96 : x
2. Step 2: Convert to fraction form
   55,886.96/83,830.16 = 13,766.96/x
3. Step 3: Cross multiply
   55,886.96x = 83,830.16 × 13,766.96
4. Step 4: Simplify right side
   55,886.96x = 1,154,086,459.51
5. Step 5: Solve for x
   x = 1,154,086,459.51/55,886.96
6. Step 6: Final answer
   x = 20,650.37