Finding the Fourth Proportional to 13,780,224.47, 19,018,520.61 and 7,902,158.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,780,224.47 : 19,018,520.61 = 7,902,158.96 : x
2. Step 2: Convert to fraction form
   13,780,224.47/19,018,520.61 = 7,902,158.96/x
3. Step 3: Cross multiply
   13,780,224.47x = 19,018,520.61 × 7,902,158.96
4. Step 4: Simplify right side
   13,780,224.47x = 150,287,373,004,745.38
5. Step 5: Solve for x
   x = 150,287,373,004,745.38/13,780,224.47
6. Step 6: Final answer
   x = 10,906,017.77