Finding the Fourth Proportional to 83,806.56, 125,728.38 and 27,664.02

Step by Step Solution

1. Step 1: Write the proportion equation
   83,806.56 : 125,728.38 = 27,664.02 : x
2. Step 2: Convert to fraction form
   83,806.56/125,728.38 = 27,664.02/x
3. Step 3: Cross multiply
   83,806.56x = 125,728.38 × 27,664.02
4. Step 4: Simplify right side
   83,806.56x = 3,478,152,418.89
5. Step 5: Solve for x
   x = 3,478,152,418.89/83,806.56
6. Step 6: Final answer
   x = 41,502.15