Finding the Fourth Proportional to 14,399,175.72, 19,870,860.27 and 7,872,803.45

Step by Step Solution

1. Step 1: Write the proportion equation
   14,399,175.72 : 19,870,860.27 = 7,872,803.45 : x
2. Step 2: Convert to fraction form
   14,399,175.72/19,870,860.27 = 7,872,803.45/x
3. Step 3: Cross multiply
   14,399,175.72x = 19,870,860.27 × 7,872,803.45
4. Step 4: Simplify right side
   14,399,175.72x = 156,439,377,288,123.94
5. Step 5: Solve for x
   x = 156,439,377,288,123.94/14,399,175.72
6. Step 6: Final answer
   x = 10,864,467.55