Finding the Fourth Proportional to 148,189.69, 204,506.72 and 90,817.93

Step by Step Solution

1. Step 1: Write the proportion equation
   148,189.69 : 204,506.72 = 90,817.93 : x
2. Step 2: Convert to fraction form
   148,189.69/204,506.72 = 90,817.93/x
3. Step 3: Cross multiply
   148,189.69x = 204,506.72 × 90,817.93
4. Step 4: Simplify right side
   148,189.69x = 18,572,876,981.49
5. Step 5: Solve for x
   x = 18,572,876,981.49/148,189.69
6. Step 6: Final answer
   x = 125,331.78