Finding the Fourth Proportional to 55,156.55, 76,089.54 and 34,978.29

Step by Step Solution

1. Step 1: Write the proportion equation
   55,156.55 : 76,089.54 = 34,978.29 : x
2. Step 2: Convert to fraction form
   55,156.55/76,089.54 = 34,978.29/x
3. Step 3: Cross multiply
   55,156.55x = 76,089.54 × 34,978.29
4. Step 4: Simplify right side
   55,156.55x = 2,661,481,996.09
5. Step 5: Solve for x
   x = 2,661,481,996.09/55,156.55
6. Step 6: Final answer
   x = 48,253.24