Finding the Fourth Proportional to 2,991,359.18, 4,487,982.95 and 2,275,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991,359.18 : 4,487,982.95 = 2,275,131.72 : x
2. Step 2: Convert to fraction form
   2,991,359.18/4,487,982.95 = 2,275,131.72/x
3. Step 3: Cross multiply
   2,991,359.18x = 4,487,982.95 × 2,275,131.72
4. Step 4: Simplify right side
   2,991,359.18x = 10,210,752,356,988.52
5. Step 5: Solve for x
   x = 10,210,752,356,988.52/2,991,359.18
6. Step 6: Final answer
   x = 3,413,415.69