Finding the Fourth Proportional to 55,445.58, 83,168.49 and 13,892.70

Step by Step Solution

1. Step 1: Write the proportion equation
   55,445.58 : 83,168.49 = 13,892.70 : x
2. Step 2: Convert to fraction form
   55,445.58/83,168.49 = 13,892.70/x
3. Step 3: Cross multiply
   55,445.58x = 83,168.49 × 13,892.70
4. Step 4: Simplify right side
   55,445.58x = 1,155,434,881.02
5. Step 5: Solve for x
   x = 1,155,434,881.02/55,445.58
6. Step 6: Final answer
   x = 20,839.08