Finding the Fourth Proportional to 91,111.94, 125,734.61 and 52,878.95

Step by Step Solution

1. Step 1: Write the proportion equation
   91,111.94 : 125,734.61 = 52,878.95 : x
2. Step 2: Convert to fraction form
   91,111.94/125,734.61 = 52,878.95/x
3. Step 3: Cross multiply
   91,111.94x = 125,734.61 × 52,878.95
4. Step 4: Simplify right side
   91,111.94x = 6,648,713,891.06
5. Step 5: Solve for x
   x = 6,648,713,891.06/91,111.94
6. Step 6: Final answer
   x = 72,973.03