Finding the Fourth Proportional to 56,357.92, 77,773.37 and 30,516.35

Step by Step Solution

1. Step 1: Write the proportion equation
   56,357.92 : 77,773.37 = 30,516.35 : x
2. Step 2: Convert to fraction form
   56,357.92/77,773.37 = 30,516.35/x
3. Step 3: Cross multiply
   56,357.92x = 77,773.37 × 30,516.35
4. Step 4: Simplify right side
   56,357.92x = 2,373,359,379.60
5. Step 5: Solve for x
   x = 2,373,359,379.60/56,357.92
6. Step 6: Final answer
   x = 42,112.26