Finding the Fourth Proportional to 2,105,984.42, 2,906,008.55 and 1,188,159.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,984.42 : 2,906,008.55 = 1,188,159.98 : x
2. Step 2: Convert to fraction form
   2,105,984.42/2,906,008.55 = 1,188,159.98/x
3. Step 3: Cross multiply
   2,105,984.42x = 2,906,008.55 × 1,188,159.98
4. Step 4: Simplify right side
   2,105,984.42x = 3,452,803,049,088.19
5. Step 5: Solve for x
   x = 3,452,803,049,088.19/2,105,984.42
6. Step 6: Final answer
   x = 1,639,519.75