Finding the Fourth Proportional to 48,171.48, 72,250.83 and 21,870.17

Step by Step Solution

1. Step 1: Write the proportion equation
   48,171.48 : 72,250.83 = 21,870.17 : x
2. Step 2: Convert to fraction form
   48,171.48/72,250.83 = 21,870.17/x
3. Step 3: Cross multiply
   48,171.48x = 72,250.83 × 21,870.17
4. Step 4: Simplify right side
   48,171.48x = 1,580,137,934.74
5. Step 5: Solve for x
   x = 1,580,137,934.74/48,171.48
6. Step 6: Final answer
   x = 32,802.35