Finding the Fourth Proportional to 56,113.50, 77,438.25 and 30,964.62

Step by Step Solution

1. Step 1: Write the proportion equation
   56,113.50 : 77,438.25 = 30,964.62 : x
2. Step 2: Convert to fraction form
   56,113.50/77,438.25 = 30,964.62/x
3. Step 3: Cross multiply
   56,113.50x = 77,438.25 × 30,964.62
4. Step 4: Simplify right side
   56,113.50x = 2,397,845,984.72
5. Step 5: Solve for x
   x = 2,397,845,984.72/56,113.50
6. Step 6: Final answer
   x = 42,732.07