Finding the Fourth Proportional to 139,573.24, 209,359.98 and 34,392.22

Step by Step Solution

1. Step 1: Write the proportion equation
   139,573.24 : 209,359.98 = 34,392.22 : x
2. Step 2: Convert to fraction form
   139,573.24/209,359.98 = 34,392.22/x
3. Step 3: Cross multiply
   139,573.24x = 209,359.98 × 34,392.22
4. Step 4: Simplify right side
   139,573.24x = 7,200,354,319.39
5. Step 5: Solve for x
   x = 7,200,354,319.39/139,573.24
6. Step 6: Final answer
   x = 51,588.36