Finding the Fourth Proportional to 151,361.82, 208,903.91 and 87,736.52

Step by Step Solution

1. Step 1: Write the proportion equation
   151,361.82 : 208,903.91 = 87,736.52 : x
2. Step 2: Convert to fraction form
   151,361.82/208,903.91 = 87,736.52/x
3. Step 3: Cross multiply
   151,361.82x = 208,903.91 × 87,736.52
4. Step 4: Simplify right side
   151,361.82x = 18,328,500,594.59
5. Step 5: Solve for x
   x = 18,328,500,594.59/151,361.82
6. Step 6: Final answer
   x = 121,090.65