Finding the Fourth Proportional to 3,782,131.72, 5,218,939.32 and 2,128,250.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782,131.72 : 5,218,939.32 = 2,128,250.00 : x
2. Step 2: Convert to fraction form
   3,782,131.72/5,218,939.32 = 2,128,250.00/x
3. Step 3: Cross multiply
   3,782,131.72x = 5,218,939.32 × 2,128,250.00
4. Step 4: Simplify right side
   3,782,131.72x = 11,107,207,638,152.39
5. Step 5: Solve for x
   x = 11,107,207,638,152.39/3,782,131.72
6. Step 6: Final answer
   x = 2,936,758.55