Finding the Fourth Proportional to 42,081.30, 62,992.35 and 34,564.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,081.30 : 62,992.35 = 34,564.50 : x
2. Step 2: Convert to fraction form
   42,081.30/62,992.35 = 34,564.50/x
3. Step 3: Cross multiply
   42,081.30x = 62,992.35 × 34,564.50
4. Step 4: Simplify right side
   42,081.30x = 2,177,299,081.58
5. Step 5: Solve for x
   x = 2,177,299,081.58/42,081.30
6. Step 6: Final answer
   x = 51,740.30