Finding the Fourth Proportional to 142,316.04, 196,384.32 and 78,653.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,316.04 : 196,384.32 = 78,653.82 : x
2. Step 2: Convert to fraction form
   142,316.04/196,384.32 = 78,653.82/x
3. Step 3: Cross multiply
   142,316.04x = 196,384.32 × 78,653.82
4. Step 4: Simplify right side
   142,316.04x = 15,446,376,956.10
5. Step 5: Solve for x
   x = 15,446,376,956.10/142,316.04
6. Step 6: Final answer
   x = 108,535.74