Finding the Fourth Proportional to 74,747.90, 112,119.42 and 30,361.52

Step by Step Solution

1. Step 1: Write the proportion equation
   74,747.90 : 112,119.42 = 30,361.52 : x
2. Step 2: Convert to fraction form
   74,747.90/112,119.42 = 30,361.52/x
3. Step 3: Cross multiply
   74,747.90x = 112,119.42 × 30,361.52
4. Step 4: Simplify right side
   74,747.90x = 3,404,116,012.72
5. Step 5: Solve for x
   x = 3,404,116,012.72/74,747.90
6. Step 6: Final answer
   x = 45,541.29