Finding the Fourth Proportional to 87,389.37, 120,596.16 and 49,148.88

Step by Step Solution

1. Step 1: Write the proportion equation
   87,389.37 : 120,596.16 = 49,148.88 : x
2. Step 2: Convert to fraction form
   87,389.37/120,596.16 = 49,148.88/x
3. Step 3: Cross multiply
   87,389.37x = 120,596.16 × 49,148.88
4. Step 4: Simplify right side
   87,389.37x = 5,927,166,196.30
5. Step 5: Solve for x
   x = 5,927,166,196.30/87,389.37
6. Step 6: Final answer
   x = 67,824.80