Finding the Fourth Proportional to 120,296,192.72, 166,008,868.81 and 65,292,060.56

Step by Step Solution

1. Step 1: Write the proportion equation
   120,296,192.72 : 166,008,868.81 = 65,292,060.56 : x
2. Step 2: Convert to fraction form
   120,296,192.72/166,008,868.81 = 65,292,060.56/x
3. Step 3: Cross multiply
   120,296,192.72x = 166,008,868.81 × 65,292,060.56
4. Step 4: Simplify right side
   120,296,192.72x = 10,839,061,114,846,340
5. Step 5: Solve for x
   x = 10,839,061,114,846,340/120,296,192.72
6. Step 6: Final answer
   x = 90,103,110.25