Finding the Fourth Proportional to 54,388.31, 81,572.72 and 34,608.11

Step by Step Solution

1. Step 1: Write the proportion equation
   54,388.31 : 81,572.72 = 34,608.11 : x
2. Step 2: Convert to fraction form
   54,388.31/81,572.72 = 34,608.11/x
3. Step 3: Cross multiply
   54,388.31x = 81,572.72 × 34,608.11
4. Step 4: Simplify right side
   54,388.31x = 2,823,077,666.76
5. Step 5: Solve for x
   x = 2,823,077,666.76/54,388.31
6. Step 6: Final answer
   x = 51,905.96