Finding the Fourth Proportional to 13,240,129.93, 19,860,165.51 and 3,524,745.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,240,129.93 : 19,860,165.51 = 3,524,745.31 : x
2. Step 2: Convert to fraction form
   13,240,129.93/19,860,165.51 = 3,524,745.31/x
3. Step 3: Cross multiply
   13,240,129.93x = 19,860,165.51 × 3,524,745.31
4. Step 4: Simplify right side
   13,240,129.93x = 70,002,025,237,196.27
5. Step 5: Solve for x
   x = 70,002,025,237,196.27/13,240,129.93
6. Step 6: Final answer
   x = 5,287,110.14