Finding the Fourth Proportional to 78,003, 107,644.41 and 42,193.17

Step by Step Solution

1. Step 1: Write the proportion equation
   78,003 : 107,644.41 = 42,193.17 : x
2. Step 2: Convert to fraction form
   78,003/107,644.41 = 42,193.17/x
3. Step 3: Cross multiply
   78,003x = 107,644.41 × 42,193.17
4. Step 4: Simplify right side
   78,003x = 4,541,858,890.68
5. Step 5: Solve for x
   x = 4,541,858,890.68/78,003
6. Step 6: Final answer
   x = 58,226.72