Finding the Fourth Proportional to 56,593.92, 78,100.32 and 31,443.36

Step by Step Solution

1. Step 1: Write the proportion equation
   56,593.92 : 78,100.32 = 31,443.36 : x
2. Step 2: Convert to fraction form
   56,593.92/78,100.32 = 31,443.36/x
3. Step 3: Cross multiply
   56,593.92x = 78,100.32 × 31,443.36
4. Step 4: Simplify right side
   56,593.92x = 2,455,736,477.88
5. Step 5: Solve for x
   x = 2,455,736,477.88/56,593.92
6. Step 6: Final answer
   x = 43,392.23