Finding the Fourth Proportional to 1,383,933.82, 1,908,131.86 and 1,138,059.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383,933.82 : 1,908,131.86 = 1,138,059.34 : x
2. Step 2: Convert to fraction form
   1,383,933.82/1,908,131.86 = 1,138,059.34/x
3. Step 3: Cross multiply
   1,383,933.82x = 1,908,131.86 × 1,138,059.34
4. Step 4: Simplify right side
   1,383,933.82x = 2,171,567,285,224.57
5. Step 5: Solve for x
   x = 2,171,567,285,224.57/1,383,933.82
6. Step 6: Final answer
   x = 1,569,126.54