Finding the Fourth Proportional to 139,503.70, 209,256.16 and 34,322.37

Step by Step Solution

1. Step 1: Write the proportion equation
   139,503.70 : 209,256.16 = 34,322.37 : x
2. Step 2: Convert to fraction form
   139,503.70/209,256.16 = 34,322.37/x
3. Step 3: Cross multiply
   139,503.70x = 209,256.16 × 34,322.37
4. Step 4: Simplify right side
   139,503.70x = 7,182,167,348.30
5. Step 5: Solve for x
   x = 7,182,167,348.30/139,503.70
6. Step 6: Final answer
   x = 51,483.71