Finding the Fourth Proportional to 78,045.37, 107,702.94 and 42,235.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,045.37 : 107,702.94 = 42,235.38 : x
2. Step 2: Convert to fraction form
   78,045.37/107,702.94 = 42,235.38/x
3. Step 3: Cross multiply
   78,045.37x = 107,702.94 × 42,235.38
4. Step 4: Simplify right side
   78,045.37x = 4,548,874,598.02
5. Step 5: Solve for x
   x = 4,548,874,598.02/78,045.37
6. Step 6: Final answer
   x = 58,285.00