Finding the Fourth Proportional to 56,019.26, 77,302.94 and 30,868.76

Step by Step Solution

1. Step 1: Write the proportion equation
   56,019.26 : 77,302.94 = 30,868.76 : x
2. Step 2: Convert to fraction form
   56,019.26/77,302.94 = 30,868.76/x
3. Step 3: Cross multiply
   56,019.26x = 77,302.94 × 30,868.76
4. Step 4: Simplify right side
   56,019.26x = 2,386,245,902.15
5. Step 5: Solve for x
   x = 2,386,245,902.15/56,019.26
6. Step 6: Final answer
   x = 42,596.88