Finding the Fourth Proportional to 83,787.09, 115,619.31 and 49,326.35

Step by Step Solution

1. Step 1: Write the proportion equation
   83,787.09 : 115,619.31 = 49,326.35 : x
2. Step 2: Convert to fraction form
   83,787.09/115,619.31 = 49,326.35/x
3. Step 3: Cross multiply
   83,787.09x = 115,619.31 × 49,326.35
4. Step 4: Simplify right side
   83,787.09x = 5,703,078,551.82
5. Step 5: Solve for x
   x = 5,703,078,551.82/83,787.09
6. Step 6: Final answer
   x = 68,066.32