Finding the Fourth Proportional to 74,946, 103,380.22 and 49,443.30

Step by Step Solution

1. Step 1: Write the proportion equation
   74,946 : 103,380.22 = 49,443.30 : x
2. Step 2: Convert to fraction form
   74,946/103,380.22 = 49,443.30/x
3. Step 3: Cross multiply
   74,946x = 103,380.22 × 49,443.30
4. Step 4: Simplify right side
   74,946x = 5,111,459,231.53
5. Step 5: Solve for x
   x = 5,111,459,231.53/74,946
6. Step 6: Final answer
   x = 68,201.90