Finding the Fourth Proportional to 56,160.72, 77,504.96 and 30,669.46

Step by Step Solution

1. Step 1: Write the proportion equation
   56,160.72 : 77,504.96 = 30,669.46 : x
2. Step 2: Convert to fraction form
   56,160.72/77,504.96 = 30,669.46/x
3. Step 3: Cross multiply
   56,160.72x = 77,504.96 × 30,669.46
4. Step 4: Simplify right side
   56,160.72x = 2,377,035,270.52
5. Step 5: Solve for x
   x = 2,377,035,270.52/56,160.72
6. Step 6: Final answer
   x = 42,325.58