Finding the Fourth Proportional to 1,383,935.82, 1,908,134.62 and 1,138,061.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383,935.82 : 1,908,134.62 = 1,138,061.34 : x
2. Step 2: Convert to fraction form
   1,383,935.82/1,908,134.62 = 1,138,061.34/x
3. Step 3: Cross multiply
   1,383,935.82x = 1,908,134.62 × 1,138,061.34
4. Step 4: Simplify right side
   1,383,935.82x = 2,171,574,242,537.59
5. Step 5: Solve for x
   x = 2,171,574,242,537.59/1,383,935.82
6. Step 6: Final answer
   x = 1,569,129.30