Finding the Fourth Proportional to 55,867.32, 77,096.90 and 30,716.82

Step by Step Solution

1. Step 1: Write the proportion equation
   55,867.32 : 77,096.90 = 30,716.82 : x
2. Step 2: Convert to fraction form
   55,867.32/77,096.90 = 30,716.82/x
3. Step 3: Cross multiply
   55,867.32x = 77,096.90 × 30,716.82
4. Step 4: Simplify right side
   55,867.32x = 2,368,171,599.86
5. Step 5: Solve for x
   x = 2,368,171,599.86/55,867.32
6. Step 6: Final answer
   x = 42,389.21