Finding the Fourth Proportional to 2,118,776.27, 2,923,780.25 and 1,188,432.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,776.27 : 2,923,780.25 = 1,188,432.82 : x
2. Step 2: Convert to fraction form
   2,118,776.27/2,923,780.25 = 1,188,432.82/x
3. Step 3: Cross multiply
   2,118,776.27x = 2,923,780.25 × 1,188,432.82
4. Step 4: Simplify right side
   2,118,776.27x = 3,474,716,387,006.74
5. Step 5: Solve for x
   x = 3,474,716,387,006.74/2,118,776.27
6. Step 6: Final answer
   x = 1,639,963.80