Finding the Fourth Proportional to 56,107, 77,429.34 and 30,958.12

Step by Step Solution

1. Step 1: Write the proportion equation
   56,107 : 77,429.34 = 30,958.12 : x
2. Step 2: Convert to fraction form
   56,107/77,429.34 = 30,958.12/x
3. Step 3: Cross multiply
   56,107x = 77,429.34 × 30,958.12
4. Step 4: Simplify right side
   56,107x = 2,397,066,799.24
5. Step 5: Solve for x
   x = 2,397,066,799.24/56,107
6. Step 6: Final answer
   x = 42,723.13