Finding the Fourth Proportional to 2,166,632.52, 2,989,916.43 and 1,199,742.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,632.52 : 2,989,916.43 = 1,199,742.06 : x
2. Step 2: Convert to fraction form
   2,166,632.52/2,989,916.43 = 1,199,742.06/x
3. Step 3: Cross multiply
   2,166,632.52x = 2,989,916.43 × 1,199,742.06
4. Step 4: Simplify right side
   2,166,632.52x = 3,587,128,496,956.05
5. Step 5: Solve for x
   x = 3,587,128,496,956.05/2,166,632.52
6. Step 6: Final answer
   x = 1,655,623.86