Finding the Fourth Proportional to 58,018.55, 80,059.56 and 34,143.80

Step by Step Solution

1. Step 1: Write the proportion equation
   58,018.55 : 80,059.56 = 34,143.80 : x
2. Step 2: Convert to fraction form
   58,018.55/80,059.56 = 34,143.80/x
3. Step 3: Cross multiply
   58,018.55x = 80,059.56 × 34,143.80
4. Step 4: Simplify right side
   58,018.55x = 2,733,537,204.43
5. Step 5: Solve for x
   x = 2,733,537,204.43/58,018.55
6. Step 6: Final answer
   x = 47,114.89