Finding the Fourth Proportional to 139,442,150.94, 209,188,764.24 and 57,516,337.77

Step by Step Solution

1. Step 1: Write the proportion equation
   139,442,150.94 : 209,188,764.24 = 57,516,337.77 : x
2. Step 2: Convert to fraction form
   139,442,150.94/209,188,764.24 = 57,516,337.77/x
3. Step 3: Cross multiply
   139,442,150.94x = 209,188,764.24 × 57,516,337.77
4. Step 4: Simplify right side
   139,442,150.94x = 12,031,771,620,383,212
5. Step 5: Solve for x
   x = 12,031,771,620,383,212/139,442,150.94
6. Step 6: Final answer
   x = 86,285,040.35