Finding the Fourth Proportional to 56,601.32, 78,109.79 and 31,450.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,601.32 : 78,109.79 = 31,450.82 : x
2. Step 2: Convert to fraction form
   56,601.32/78,109.79 = 31,450.82/x
3. Step 3: Cross multiply
   56,601.32x = 78,109.79 × 31,450.82
4. Step 4: Simplify right side
   56,601.32x = 2,456,616,397.72
5. Step 5: Solve for x
   x = 2,456,616,397.72/56,601.32
6. Step 6: Final answer
   x = 43,402.11