Finding the Fourth Proportional to 161,702.84, 223,176.49 and 90,105.93

Step by Step Solution

1. Step 1: Write the proportion equation
   161,702.84 : 223,176.49 = 90,105.93 : x
2. Step 2: Convert to fraction form
   161,702.84/223,176.49 = 90,105.93/x
3. Step 3: Cross multiply
   161,702.84x = 223,176.49 × 90,105.93
4. Step 4: Simplify right side
   161,702.84x = 20,109,525,185.59
5. Step 5: Solve for x
   x = 20,109,525,185.59/161,702.84
6. Step 6: Final answer
   x = 124,360.99