Finding the Fourth Proportional to 34,756.84, 52,137.69 and 13,980.34

Step by Step Solution

1. Step 1: Write the proportion equation
   34,756.84 : 52,137.69 = 13,980.34 : x
2. Step 2: Convert to fraction form
   34,756.84/52,137.69 = 13,980.34/x
3. Step 3: Cross multiply
   34,756.84x = 52,137.69 × 13,980.34
4. Step 4: Simplify right side
   34,756.84x = 728,902,633.01
5. Step 5: Solve for x
   x = 728,902,633.01/34,756.84
6. Step 6: Final answer
   x = 20,971.49