Finding the Fourth Proportional to 54,820.69, 75,631.71 and 34,394.10

Step by Step Solution

1. Step 1: Write the proportion equation
   54,820.69 : 75,631.71 = 34,394.10 : x
2. Step 2: Convert to fraction form
   54,820.69/75,631.71 = 34,394.10/x
3. Step 3: Cross multiply
   54,820.69x = 75,631.71 × 34,394.10
4. Step 4: Simplify right side
   54,820.69x = 2,601,284,725.89
5. Step 5: Solve for x
   x = 2,601,284,725.89/54,820.69
6. Step 6: Final answer
   x = 47,450.78