Finding the Fourth Proportional to 2,141,625.37, 3,210,840.24 and 1,288,497.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,625.37 : 3,210,840.24 = 1,288,497.10 : x
2. Step 2: Convert to fraction form
   2,141,625.37/3,210,840.24 = 1,288,497.10/x
3. Step 3: Cross multiply
   2,141,625.37x = 3,210,840.24 × 1,288,497.10
4. Step 4: Simplify right side
   2,141,625.37x = 4,137,158,321,749.10
5. Step 5: Solve for x
   x = 4,137,158,321,749.10/2,141,625.37
6. Step 6: Final answer
   x = 1,931,784.33