Finding the Fourth Proportional to 78,567.30, 117,839.88 and 41,115.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,567.30 : 117,839.88 = 41,115.06 : x
2. Step 2: Convert to fraction form
   78,567.30/117,839.88 = 41,115.06/x
3. Step 3: Cross multiply
   78,567.30x = 117,839.88 × 41,115.06
4. Step 4: Simplify right side
   78,567.30x = 4,844,993,736.59
5. Step 5: Solve for x
   x = 4,844,993,736.59/78,567.30
6. Step 6: Final answer
   x = 61,666.80