Finding the Fourth Proportional to 55,902.72, 77,146.94 and 30,752.22

Step by Step Solution

1. Step 1: Write the proportion equation
   55,902.72 : 77,146.94 = 30,752.22 : x
2. Step 2: Convert to fraction form
   55,902.72/77,146.94 = 30,752.22/x
3. Step 3: Cross multiply
   55,902.72x = 77,146.94 × 30,752.22
4. Step 4: Simplify right side
   55,902.72x = 2,372,439,671.21
5. Step 5: Solve for x
   x = 2,372,439,671.21/55,902.72
6. Step 6: Final answer
   x = 42,438.72