Finding the Fourth Proportional to 123,905.85, 185,878.22 and 74,042.25

Step by Step Solution

1. Step 1: Write the proportion equation
   123,905.85 : 185,878.22 = 74,042.25 : x
2. Step 2: Convert to fraction form
   123,905.85/185,878.22 = 74,042.25/x
3. Step 3: Cross multiply
   123,905.85x = 185,878.22 × 74,042.25
4. Step 4: Simplify right side
   123,905.85x = 13,762,841,264.58
5. Step 5: Solve for x
   x = 13,762,841,264.58/123,905.85
6. Step 6: Final answer
   x = 111,074.99