Finding the Fourth Proportional to 123,415.74, 185,132.25 and 61,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,415.74 : 185,132.25 = 61,069.50 : x
2. Step 2: Convert to fraction form
   123,415.74/185,132.25 = 61,069.50/x
3. Step 3: Cross multiply
   123,415.74x = 185,132.25 × 61,069.50
4. Step 4: Simplify right side
   123,415.74x = 11,305,933,941.38
5. Step 5: Solve for x
   x = 11,305,933,941.38/123,415.74
6. Step 6: Final answer
   x = 91,608.53