Finding the Fourth Proportional to 147,969.18, 204,209.98 and 90,608.22

Step by Step Solution

1. Step 1: Write the proportion equation
   147,969.18 : 204,209.98 = 90,608.22 : x
2. Step 2: Convert to fraction form
   147,969.18/204,209.98 = 90,608.22/x
3. Step 3: Cross multiply
   147,969.18x = 204,209.98 × 90,608.22
4. Step 4: Simplify right side
   147,969.18x = 18,503,102,567.52
5. Step 5: Solve for x
   x = 18,503,102,567.52/147,969.18
6. Step 6: Final answer
   x = 125,047.00