Finding the Fourth Proportional to 149,280.42, 205,993.41 and 88,841.31

Step by Step Solution

1. Step 1: Write the proportion equation
   149,280.42 : 205,993.41 = 88,841.31 : x
2. Step 2: Convert to fraction form
   149,280.42/205,993.41 = 88,841.31/x
3. Step 3: Cross multiply
   149,280.42x = 205,993.41 × 88,841.31
4. Step 4: Simplify right side
   149,280.42x = 18,300,724,395.77
5. Step 5: Solve for x
   x = 18,300,724,395.77/149,280.42
6. Step 6: Final answer
   x = 122,592.93