Finding the Fourth Proportional to 56,256.39, 77,635.89 and 30,764.48

Step by Step Solution

1. Step 1: Write the proportion equation
   56,256.39 : 77,635.89 = 30,764.48 : x
2. Step 2: Convert to fraction form
   56,256.39/77,635.89 = 30,764.48/x
3. Step 3: Cross multiply
   56,256.39x = 77,635.89 × 30,764.48
4. Step 4: Simplify right side
   56,256.39x = 2,388,427,397.01
5. Step 5: Solve for x
   x = 2,388,427,397.01/56,256.39
6. Step 6: Final answer
   x = 42,456.11