Finding the Fourth Proportional to 74,302.89, 111,368.50 and 34,238.10

Step by Step Solution

1. Step 1: Write the proportion equation
   74,302.89 : 111,368.50 = 34,238.10 : x
2. Step 2: Convert to fraction form
   74,302.89/111,368.50 = 34,238.10/x
3. Step 3: Cross multiply
   74,302.89x = 111,368.50 × 34,238.10
4. Step 4: Simplify right side
   74,302.89x = 3,813,046,171.89
5. Step 5: Solve for x
   x = 3,813,046,171.89/74,302.89
6. Step 6: Final answer
   x = 51,317.61