Finding the Fourth Proportional to 78,107.12, 107,787.41 and 42,296.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,107.12 : 107,787.41 = 42,296.82 : x
2. Step 2: Convert to fraction form
   78,107.12/107,787.41 = 42,296.82/x
3. Step 3: Cross multiply
   78,107.12x = 107,787.41 × 42,296.82
4. Step 4: Simplify right side
   78,107.12x = 4,559,064,221.96
5. Step 5: Solve for x
   x = 4,559,064,221.96/78,107.12
6. Step 6: Final answer
   x = 58,369.38