Finding the Fourth Proportional to 2,140,875.63, 3,212,476.20 and 1,242,962.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,875.63 : 3,212,476.20 = 1,242,962.82 : x
2. Step 2: Convert to fraction form
   2,140,875.63/3,212,476.20 = 1,242,962.82/x
3. Step 3: Cross multiply
   2,140,875.63x = 3,212,476.20 × 1,242,962.82
4. Step 4: Simplify right side
   2,140,875.63x = 3,992,988,476,734.88
5. Step 5: Solve for x
   x = 3,992,988,476,734.88/2,140,875.63
6. Step 6: Final answer
   x = 1,865,119.31