Finding the Fourth Proportional to 128,040,441.98, 192,060,801.48 and 59,930,963.42

Step by Step Solution

1. Step 1: Write the proportion equation
   128,040,441.98 : 192,060,801.48 = 59,930,963.42 : x
2. Step 2: Convert to fraction form
   128,040,441.98/192,060,801.48 = 59,930,963.42/x
3. Step 3: Cross multiply
   128,040,441.98x = 192,060,801.48 × 59,930,963.42
4. Step 4: Simplify right side
   128,040,441.98x = 11,510,388,867,913,762
5. Step 5: Solve for x
   x = 11,510,388,867,913,762/128,040,441.98
6. Step 6: Final answer
   x = 89,896,509.96