Finding the Fourth Proportional to 78,185.71, 107,896.01 and 42,375.41

Step by Step Solution

1. Step 1: Write the proportion equation
   78,185.71 : 107,896.01 = 42,375.41 : x
2. Step 2: Convert to fraction form
   78,185.71/107,896.01 = 42,375.41/x
3. Step 3: Cross multiply
   78,185.71x = 107,896.01 × 42,375.41
4. Step 4: Simplify right side
   78,185.71x = 4,572,137,661.11
5. Step 5: Solve for x
   x = 4,572,137,661.11/78,185.71
6. Step 6: Final answer
   x = 58,477.92