Finding the Fourth Proportional to 149,071.59, 205,649.69 and 88,608.33

Step by Step Solution

1. Step 1: Write the proportion equation
   149,071.59 : 205,649.69 = 88,608.33 : x
2. Step 2: Convert to fraction form
   149,071.59/205,649.69 = 88,608.33/x
3. Step 3: Cross multiply
   149,071.59x = 205,649.69 × 88,608.33
4. Step 4: Simplify right side
   149,071.59x = 18,222,275,152.88
5. Step 5: Solve for x
   x = 18,222,275,152.88/149,071.59
6. Step 6: Final answer
   x = 122,238.42