Finding the Fourth Proportional to 2,173,280.94, 2,999,086.29 and 1,206,422.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173,280.94 : 2,999,086.29 = 1,206,422.82 : x
2. Step 2: Convert to fraction form
   2,173,280.94/2,999,086.29 = 1,206,422.82/x
3. Step 3: Cross multiply
   2,173,280.94x = 2,999,086.29 × 1,206,422.82
4. Step 4: Simplify right side
   2,173,280.94x = 3,618,166,139,405.14
5. Step 5: Solve for x
   x = 3,618,166,139,405.14/2,173,280.94
6. Step 6: Final answer
   x = 1,664,840.51