Finding the Fourth Proportional to 3,820,276.31, 5,731,123.22 and 1,261,668.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820,276.31 : 5,731,123.22 = 1,261,668.56 : x
2. Step 2: Convert to fraction form
   3,820,276.31/5,731,123.22 = 1,261,668.56/x
3. Step 3: Cross multiply
   3,820,276.31x = 5,731,123.22 × 1,261,668.56
4. Step 4: Simplify right side
   3,820,276.31x = 7,230,777,980,159.96
5. Step 5: Solve for x
   x = 7,230,777,980,159.96/3,820,276.31
6. Step 6: Final answer
   x = 1,892,736.91