Finding the Fourth Proportional to 56,274, 77,660.56 and 31,123.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,274 : 77,660.56 = 31,123.52 : x
2. Step 2: Convert to fraction form
   56,274/77,660.56 = 31,123.52/x
3. Step 3: Cross multiply
   56,274x = 77,660.56 × 31,123.52
4. Step 4: Simplify right side
   56,274x = 2,417,069,992.37
5. Step 5: Solve for x
   x = 2,417,069,992.37/56,274
6. Step 6: Final answer
   x = 42,951.81