Finding the Fourth Proportional to 86,012.52, 128,985.94 and 41,025.93

Step by Step Solution

1. Step 1: Write the proportion equation
   86,012.52 : 128,985.94 = 41,025.93 : x
2. Step 2: Convert to fraction form
   86,012.52/128,985.94 = 41,025.93/x
3. Step 3: Cross multiply
   86,012.52x = 128,985.94 × 41,025.93
4. Step 4: Simplify right side
   86,012.52x = 5,291,768,145.42
5. Step 5: Solve for x
   x = 5,291,768,145.42/86,012.52
6. Step 6: Final answer
   x = 61,523.23