Finding the Fourth Proportional to 78,185.25, 107,895.04 and 42,374.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,185.25 : 107,895.04 = 42,374.34 : x
2. Step 2: Convert to fraction form
   78,185.25/107,895.04 = 42,374.34/x
3. Step 3: Cross multiply
   78,185.25x = 107,895.04 × 42,374.34
4. Step 4: Simplify right side
   78,185.25x = 4,571,981,003.34
5. Step 5: Solve for x
   x = 4,571,981,003.34/78,185.25
6. Step 6: Final answer
   x = 58,476.26