Finding the Fourth Proportional to 2,154,747.42, 2,973,571.56 and 1,187,911.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,747.42 : 2,973,571.56 = 1,187,911.98 : x
2. Step 2: Convert to fraction form
   2,154,747.42/2,973,571.56 = 1,187,911.98/x
3. Step 3: Cross multiply
   2,154,747.42x = 2,973,571.56 × 1,187,911.98
4. Step 4: Simplify right side
   2,154,747.42x = 3,532,341,279,511.29
5. Step 5: Solve for x
   x = 3,532,341,279,511.29/2,154,747.42
6. Step 6: Final answer
   x = 1,639,329.62