Finding the Fourth Proportional to 2,166,607.99, 2,989,882.27 and 1,199,717.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,607.99 : 2,989,882.27 = 1,199,717.52 : x
2. Step 2: Convert to fraction form
   2,166,607.99/2,989,882.27 = 1,199,717.52/x
3. Step 3: Cross multiply
   2,166,607.99x = 2,989,882.27 × 1,199,717.52
4. Step 4: Simplify right side
   2,166,607.99x = 3,587,014,142,056.37
5. Step 5: Solve for x
   x = 3,587,014,142,056.37/2,166,607.99
6. Step 6: Final answer
   x = 1,655,589.82