Finding the Fourth Proportional to 72,351.30, 108,512.55 and 34,911.30

Step by Step Solution

1. Step 1: Write the proportion equation
   72,351.30 : 108,512.55 = 34,911.30 : x
2. Step 2: Convert to fraction form
   72,351.30/108,512.55 = 34,911.30/x
3. Step 3: Cross multiply
   72,351.30x = 108,512.55 × 34,911.30
4. Step 4: Simplify right side
   72,351.30x = 3,788,314,186.82
5. Step 5: Solve for x
   x = 3,788,314,186.82/72,351.30
6. Step 6: Final answer
   x = 52,360.00