Finding the Fourth Proportional to 55,754.06, 83,436.89 and 45,642.02

Step by Step Solution

1. Step 1: Write the proportion equation
   55,754.06 : 83,436.89 = 45,642.02 : x
2. Step 2: Convert to fraction form
   55,754.06/83,436.89 = 45,642.02/x
3. Step 3: Cross multiply
   55,754.06x = 83,436.89 × 45,642.02
4. Step 4: Simplify right side
   55,754.06x = 3,808,227,556.72
5. Step 5: Solve for x
   x = 3,808,227,556.72/55,754.06
6. Step 6: Final answer
   x = 68,304.05