Finding the Fourth Proportional to 86,385.98, 119,216.34 and 48,145.52

Step by Step Solution

1. Step 1: Write the proportion equation
   86,385.98 : 119,216.34 = 48,145.52 : x
2. Step 2: Convert to fraction form
   86,385.98/119,216.34 = 48,145.52/x
3. Step 3: Cross multiply
   86,385.98x = 119,216.34 × 48,145.52
4. Step 4: Simplify right side
   86,385.98x = 5,739,732,085.72
5. Step 5: Solve for x
   x = 5,739,732,085.72/86,385.98
6. Step 6: Final answer
   x = 66,442.87