Finding the Fourth Proportional to 48,624.34, 67,009.98 and 35,172.78

Step by Step Solution

1. Step 1: Write the proportion equation
   48,624.34 : 67,009.98 = 35,172.78 : x
2. Step 2: Convert to fraction form
   48,624.34/67,009.98 = 35,172.78/x
3. Step 3: Cross multiply
   48,624.34x = 67,009.98 × 35,172.78
4. Step 4: Simplify right side
   48,624.34x = 2,356,927,284.34
5. Step 5: Solve for x
   x = 2,356,927,284.34/48,624.34
6. Step 6: Final answer
   x = 48,472.17