Finding the Fourth Proportional to 87,483.89, 120,726.33 and 48,721.34

Step by Step Solution

1. Step 1: Write the proportion equation
   87,483.89 : 120,726.33 = 48,721.34 : x
2. Step 2: Convert to fraction form
   87,483.89/120,726.33 = 48,721.34/x
3. Step 3: Cross multiply
   87,483.89x = 120,726.33 × 48,721.34
4. Step 4: Simplify right side
   87,483.89x = 5,881,948,570.88
5. Step 5: Solve for x
   x = 5,881,948,570.88/87,483.89
6. Step 6: Final answer
   x = 67,234.65