Finding the Fourth Proportional to 139,932.38, 209,979.88 and 58,873.47

Step by Step Solution

1. Step 1: Write the proportion equation
   139,932.38 : 209,979.88 = 58,873.47 : x
2. Step 2: Convert to fraction form
   139,932.38/209,979.88 = 58,873.47/x
3. Step 3: Cross multiply
   139,932.38x = 209,979.88 × 58,873.47
4. Step 4: Simplify right side
   139,932.38x = 12,362,243,115.88
5. Step 5: Solve for x
   x = 12,362,243,115.88/139,932.38
6. Step 6: Final answer
   x = 88,344.41