Finding the Fourth Proportional to 151,313.58, 208,792.89 and 90,050.58

Step by Step Solution

1. Step 1: Write the proportion equation
   151,313.58 : 208,792.89 = 90,050.58 : x
2. Step 2: Convert to fraction form
   151,313.58/208,792.89 = 90,050.58/x
3. Step 3: Cross multiply
   151,313.58x = 208,792.89 × 90,050.58
4. Step 4: Simplify right side
   151,313.58x = 18,801,920,844.38
5. Step 5: Solve for x
   x = 18,801,920,844.38/151,313.58
6. Step 6: Final answer
   x = 124,257.99