Finding the Fourth Proportional to 49,129.59, 68,253.54 and 48,667.58

Step by Step Solution

1. Step 1: Write the proportion equation
   49,129.59 : 68,253.54 = 48,667.58 : x
2. Step 2: Convert to fraction form
   49,129.59/68,253.54 = 48,667.58/x
3. Step 3: Cross multiply
   49,129.59x = 68,253.54 × 48,667.58
4. Step 4: Simplify right side
   49,129.59x = 3,321,734,734.34
5. Step 5: Solve for x
   x = 3,321,734,734.34/49,129.59
6. Step 6: Final answer
   x = 67,611.70