Finding the Fourth Proportional to 139,713.18, 209,567.72 and 34,532.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,713.18 : 209,567.72 = 34,532.16 : x
2. Step 2: Convert to fraction form
   139,713.18/209,567.72 = 34,532.16/x
3. Step 3: Cross multiply
   139,713.18x = 209,567.72 × 34,532.16
4. Step 4: Simplify right side
   139,713.18x = 7,236,826,037.88
5. Step 5: Solve for x
   x = 7,236,826,037.88/139,713.18
6. Step 6: Final answer
   x = 51,797.73