Finding the Fourth Proportional to 90,196.47, 124,460.01 and 49,907.61

Step by Step Solution

1. Step 1: Write the proportion equation
   90,196.47 : 124,460.01 = 49,907.61 : x
2. Step 2: Convert to fraction form
   90,196.47/124,460.01 = 49,907.61/x
3. Step 3: Cross multiply
   90,196.47x = 124,460.01 × 49,907.61
4. Step 4: Simplify right side
   90,196.47x = 6,211,501,639.68
5. Step 5: Solve for x
   x = 6,211,501,639.68/90,196.47
6. Step 6: Final answer
   x = 68,866.35