Finding the Fourth Proportional to 5,078,972.99, 7,009,184.82 and 2,787,215.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,078,972.99 : 7,009,184.82 = 2,787,215.69 : x
2. Step 2: Convert to fraction form
   5,078,972.99/7,009,184.82 = 2,787,215.69/x
3. Step 3: Cross multiply
   5,078,972.99x = 7,009,184.82 × 2,787,215.69
4. Step 4: Simplify right side
   5,078,972.99x = 19,536,109,904,413.83
5. Step 5: Solve for x
   x = 19,536,109,904,413.83/5,078,972.99
6. Step 6: Final answer
   x = 3,846,468.56