Finding the Fourth Proportional to 48,449.34, 72,238.89 and 46,599.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,449.34 : 72,238.89 = 46,599.50 : x
2. Step 2: Convert to fraction form
   48,449.34/72,238.89 = 46,599.50/x
3. Step 3: Cross multiply
   48,449.34x = 72,238.89 × 46,599.50
4. Step 4: Simplify right side
   48,449.34x = 3,366,296,247.78
5. Step 5: Solve for x
   x = 3,366,296,247.78/48,449.34
6. Step 6: Final answer
   x = 69,480.75