Finding the Fourth Proportional to 139,495.57, 209,270.29 and 59,532.37

Step by Step Solution

1. Step 1: Write the proportion equation
   139,495.57 : 209,270.29 = 59,532.37 : x
2. Step 2: Convert to fraction form
   139,495.57/209,270.29 = 59,532.37/x
3. Step 3: Cross multiply
   139,495.57x = 209,270.29 × 59,532.37
4. Step 4: Simplify right side
   139,495.57x = 12,458,357,118.48
5. Step 5: Solve for x
   x = 12,458,357,118.48/139,495.57
6. Step 6: Final answer
   x = 89,310.05