Finding the Fourth Proportional to 142,737.88, 196,970.52 and 79,071.88

Step by Step Solution

1. Step 1: Write the proportion equation
   142,737.88 : 196,970.52 = 79,071.88 : x
2. Step 2: Convert to fraction form
   142,737.88/196,970.52 = 79,071.88/x
3. Step 3: Cross multiply
   142,737.88x = 196,970.52 × 79,071.88
4. Step 4: Simplify right side
   142,737.88x = 15,574,829,320.98
5. Step 5: Solve for x
   x = 15,574,829,320.98/142,737.88
6. Step 6: Final answer
   x = 109,114.90