Finding the Fourth Proportional to 2,187,002.02, 3,018,064.67 and 1,220,132.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,002.02 : 3,018,064.67 = 1,220,132.50 : x
2. Step 2: Convert to fraction form
   2,187,002.02/3,018,064.67 = 1,220,132.50/x
3. Step 3: Cross multiply
   2,187,002.02x = 3,018,064.67 × 1,220,132.50
4. Step 4: Simplify right side
   2,187,002.02x = 3,682,438,790,968.78
5. Step 5: Solve for x
   x = 3,682,438,790,968.78/2,187,002.02
6. Step 6: Final answer
   x = 1,683,783.90