Finding the Fourth Proportional to 147,975.54, 204,159.72 and 90,555

Step by Step Solution

1. Step 1: Write the proportion equation
   147,975.54 : 204,159.72 = 90,555 : x
2. Step 2: Convert to fraction form
   147,975.54/204,159.72 = 90,555/x
3. Step 3: Cross multiply
   147,975.54x = 204,159.72 × 90,555
4. Step 4: Simplify right side
   147,975.54x = 18,487,683,444.60
5. Step 5: Solve for x
   x = 18,487,683,444.60/147,975.54
6. Step 6: Final answer
   x = 124,937.43