Finding the Fourth Proportional to 86,059.05, 128,901.64 and 41,592.55

Step by Step Solution

1. Step 1: Write the proportion equation
   86,059.05 : 128,901.64 = 41,592.55 : x
2. Step 2: Convert to fraction form
   86,059.05/128,901.64 = 41,592.55/x
3. Step 3: Cross multiply
   86,059.05x = 128,901.64 × 41,592.55
4. Step 4: Simplify right side
   86,059.05x = 5,361,347,054.31
5. Step 5: Solve for x
   x = 5,361,347,054.31/86,059.05
6. Step 6: Final answer
   x = 62,298.47