Finding the Fourth Proportional to 139,527.46, 209,289.48 and 34,347.34

Step by Step Solution

1. Step 1: Write the proportion equation
   139,527.46 : 209,289.48 = 34,347.34 : x
2. Step 2: Convert to fraction form
   139,527.46/209,289.48 = 34,347.34/x
3. Step 3: Cross multiply
   139,527.46x = 209,289.48 × 34,347.34
4. Step 4: Simplify right side
   139,527.46x = 7,188,536,927.98
5. Step 5: Solve for x
   x = 7,188,536,927.98/139,527.46
6. Step 6: Final answer
   x = 51,520.59