Finding the Fourth Proportional to 3,681,485.48, 5,520,380.33 and 2,144,978.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,681,485.48 : 5,520,380.33 = 2,144,978.25 : x
2. Step 2: Convert to fraction form
   3,681,485.48/5,520,380.33 = 2,144,978.25/x
3. Step 3: Cross multiply
   3,681,485.48x = 5,520,380.33 × 2,144,978.25
4. Step 4: Simplify right side
   3,681,485.48x = 11,841,095,728,852.93
5. Step 5: Solve for x
   x = 11,841,095,728,852.93/3,681,485.48
6. Step 6: Final answer
   x = 3,216,390.72