Finding the Fourth Proportional to 55,906.56, 77,152.50 and 30,414.51

Step by Step Solution

1. Step 1: Write the proportion equation
   55,906.56 : 77,152.50 = 30,414.51 : x
2. Step 2: Convert to fraction form
   55,906.56/77,152.50 = 30,414.51/x
3. Step 3: Cross multiply
   55,906.56x = 77,152.50 × 30,414.51
4. Step 4: Simplify right side
   55,906.56x = 2,346,555,482.78
5. Step 5: Solve for x
   x = 2,346,555,482.78/55,906.56
6. Step 6: Final answer
   x = 41,972.81