Finding the Fourth Proportional to 139,799.54, 209,732.43 and 60,927.86

Step by Step Solution

1. Step 1: Write the proportion equation
   139,799.54 : 209,732.43 = 60,927.86 : x
2. Step 2: Convert to fraction form
   139,799.54/209,732.43 = 60,927.86/x
3. Step 3: Cross multiply
   139,799.54x = 209,732.43 × 60,927.86
4. Step 4: Simplify right side
   139,799.54x = 12,778,548,132.50
5. Step 5: Solve for x
   x = 12,778,548,132.50/139,799.54
6. Step 6: Final answer
   x = 91,406.22