Finding the Fourth Proportional to 56,981.72, 78,601.89 and 34,304.96

Step by Step Solution

1. Step 1: Write the proportion equation
   56,981.72 : 78,601.89 = 34,304.96 : x
2. Step 2: Convert to fraction form
   56,981.72/78,601.89 = 34,304.96/x
3. Step 3: Cross multiply
   56,981.72x = 78,601.89 × 34,304.96
4. Step 4: Simplify right side
   56,981.72x = 2,696,434,692.37
5. Step 5: Solve for x
   x = 2,696,434,692.37/56,981.72
6. Step 6: Final answer
   x = 47,321.05