Finding the Fourth Proportional to 55,881.06, 77,114.33 and 30,730.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,881.06 : 77,114.33 = 30,730.56 : x
2. Step 2: Convert to fraction form
   55,881.06/77,114.33 = 30,730.56/x
3. Step 3: Cross multiply
   55,881.06x = 77,114.33 × 30,730.56
4. Step 4: Simplify right side
   55,881.06x = 2,369,766,391.27
5. Step 5: Solve for x
   x = 2,369,766,391.27/55,881.06
6. Step 6: Final answer
   x = 42,407.33