Finding the Fourth Proportional to 83,434.88, 125,074.56 and 27,992

Step by Step Solution

1. Step 1: Write the proportion equation
   83,434.88 : 125,074.56 = 27,992 : x
2. Step 2: Convert to fraction form
   83,434.88/125,074.56 = 27,992/x
3. Step 3: Cross multiply
   83,434.88x = 125,074.56 × 27,992
4. Step 4: Simplify right side
   83,434.88x = 3,501,087,083.52
5. Step 5: Solve for x
   x = 3,501,087,083.52/83,434.88
6. Step 6: Final answer
   x = 41,961.91