Finding the Fourth Proportional to 2,186,144.34, 3,279,636.82 and 838,201.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186,144.34 : 3,279,636.82 = 838,201.82 : x
2. Step 2: Convert to fraction form
   2,186,144.34/3,279,636.82 = 838,201.82/x
3. Step 3: Cross multiply
   2,186,144.34x = 3,279,636.82 × 838,201.82
4. Step 4: Simplify right side
   2,186,144.34x = 2,748,997,534,043.20
5. Step 5: Solve for x
   x = 2,748,997,534,043.20/2,186,144.34
6. Step 6: Final answer
   x = 1,257,463.88