Finding the Fourth Proportional to 56,010.27, 77,293.74 and 30,516.56

Step by Step Solution

1. Step 1: Write the proportion equation
   56,010.27 : 77,293.74 = 30,516.56 : x
2. Step 2: Convert to fraction form
   56,010.27/77,293.74 = 30,516.56/x
3. Step 3: Cross multiply
   56,010.27x = 77,293.74 × 30,516.56
4. Step 4: Simplify right side
   56,010.27x = 2,358,739,054.33
5. Step 5: Solve for x
   x = 2,358,739,054.33/56,010.27
6. Step 6: Final answer
   x = 42,112.62