Finding the Fourth Proportional to 57,345,944.72, 79,137,093.12 and 31,240,399.88

Step by Step Solution

1. Step 1: Write the proportion equation
   57,345,944.72 : 79,137,093.12 = 31,240,399.88 : x
2. Step 2: Convert to fraction form
   57,345,944.72/79,137,093.12 = 31,240,399.88/x
3. Step 3: Cross multiply
   57,345,944.72x = 79,137,093.12 × 31,240,399.88
4. Step 4: Simplify right side
   57,345,944.72x = 2,472,274,434,409,597
5. Step 5: Solve for x
   x = 2,472,274,434,409,597/57,345,944.72
6. Step 6: Final answer
   x = 43,111,582.63