Finding the Fourth Proportional to 139,601.34, 209,365.02 and 60,697.62

Step by Step Solution

1. Step 1: Write the proportion equation
   139,601.34 : 209,365.02 = 60,697.62 : x
2. Step 2: Convert to fraction form
   139,601.34/209,365.02 = 60,697.62/x
3. Step 3: Cross multiply
   139,601.34x = 209,365.02 × 60,697.62
4. Step 4: Simplify right side
   139,601.34x = 12,707,958,425.25
5. Step 5: Solve for x
   x = 12,707,958,425.25/139,601.34
6. Step 6: Final answer
   x = 91,030.35