Finding the Fourth Proportional to 139,704.68, 209,557.20 and 34,522.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,704.68 : 209,557.20 = 34,522.04 : x
2. Step 2: Convert to fraction form
   139,704.68/209,557.20 = 34,522.04/x
3. Step 3: Cross multiply
   139,704.68x = 209,557.20 × 34,522.04
4. Step 4: Simplify right side
   139,704.68x = 7,234,342,040.69
5. Step 5: Solve for x
   x = 7,234,342,040.69/139,704.68
6. Step 6: Final answer
   x = 51,783.10