Finding the Fourth Proportional to 14,389,523.61, 19,857,592.17 and 7,863,153.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,389,523.61 : 19,857,592.17 = 7,863,153.18 : x
2. Step 2: Convert to fraction form
   14,389,523.61/19,857,592.17 = 7,863,153.18/x
3. Step 3: Cross multiply
   14,389,523.61x = 19,857,592.17 × 7,863,153.18
4. Step 4: Simplify right side
   14,389,523.61x = 156,143,289,018,678.59
5. Step 5: Solve for x
   x = 156,143,289,018,678.59/14,389,523.61
6. Step 6: Final answer
   x = 10,851,178.49