Finding the Fourth Proportional to 139,222.56, 208,933.41 and 59,316.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,222.56 : 208,933.41 = 59,316.52 : x
2. Step 2: Convert to fraction form
   139,222.56/208,933.41 = 59,316.52/x
3. Step 3: Cross multiply
   139,222.56x = 208,933.41 × 59,316.52
4. Step 4: Simplify right side
   139,222.56x = 12,393,202,496.35
5. Step 5: Solve for x
   x = 12,393,202,496.35/139,222.56
6. Step 6: Final answer
   x = 89,017.20