Finding the Fourth Proportional to 136,086.36, 204,059.13 and 61,142.41

Step by Step Solution

1. Step 1: Write the proportion equation
   136,086.36 : 204,059.13 = 61,142.41 : x
2. Step 2: Convert to fraction form
   136,086.36/204,059.13 = 61,142.41/x
3. Step 3: Cross multiply
   136,086.36x = 204,059.13 × 61,142.41
4. Step 4: Simplify right side
   136,086.36x = 12,476,666,990.70
5. Step 5: Solve for x
   x = 12,476,666,990.70/136,086.36
6. Step 6: Final answer
   x = 91,681.98