Finding the Fourth Proportional to 48,036,658.72, 72,055,156.50 and 11,644,900.96

Step by Step Solution

1. Step 1: Write the proportion equation
   48,036,658.72 : 72,055,156.50 = 11,644,900.96 : x
2. Step 2: Convert to fraction form
   48,036,658.72/72,055,156.50 = 11,644,900.96/x
3. Step 3: Cross multiply
   48,036,658.72x = 72,055,156.50 × 11,644,900.96
4. Step 4: Simplify right side
   48,036,658.72x = 839,075,161,099,800.25
5. Step 5: Solve for x
   x = 839,075,161,099,800.25/48,036,658.72
6. Step 6: Final answer
   x = 17,467,392.27