Finding the Fourth Proportional to 76,787.82, 105,968.25 and 42,795.36

Step by Step Solution

1. Step 1: Write the proportion equation
   76,787.82 : 105,968.25 = 42,795.36 : x
2. Step 2: Convert to fraction form
   76,787.82/105,968.25 = 42,795.36/x
3. Step 3: Cross multiply
   76,787.82x = 105,968.25 × 42,795.36
4. Step 4: Simplify right side
   76,787.82x = 4,534,949,407.32
5. Step 5: Solve for x
   x = 4,534,949,407.32/76,787.82
6. Step 6: Final answer
   x = 59,058.19