Finding the Fourth Proportional to 57,220,323.37, 78,965,542.82 and 31,116,367.91

Step by Step Solution

1. Step 1: Write the proportion equation
   57,220,323.37 : 78,965,542.82 = 31,116,367.91 : x
2. Step 2: Convert to fraction form
   57,220,323.37/78,965,542.82 = 31,116,367.91/x
3. Step 3: Cross multiply
   57,220,323.37x = 78,965,542.82 × 31,116,367.91
4. Step 4: Simplify right side
   57,220,323.37x = 2,457,120,882,875,184
5. Step 5: Solve for x
   x = 2,457,120,882,875,184/57,220,323.37
6. Step 6: Final answer
   x = 42,941,401.56