Finding the Fourth Proportional to 55,796.50, 76,999.17 and 30,647.62

Step by Step Solution

1. Step 1: Write the proportion equation
   55,796.50 : 76,999.17 = 30,647.62 : x
2. Step 2: Convert to fraction form
   55,796.50/76,999.17 = 30,647.62/x
3. Step 3: Cross multiply
   55,796.50x = 76,999.17 × 30,647.62
4. Step 4: Simplify right side
   55,796.50x = 2,359,841,302.48
5. Step 5: Solve for x
   x = 2,359,841,302.48/55,796.50
6. Step 6: Final answer
   x = 42,293.72