Finding the Fourth Proportional to 142,083.83, 196,061.73 and 78,417.53

Step by Step Solution

1. Step 1: Write the proportion equation
   142,083.83 : 196,061.73 = 78,417.53 : x
2. Step 2: Convert to fraction form
   142,083.83/196,061.73 = 78,417.53/x
3. Step 3: Cross multiply
   142,083.83x = 196,061.73 × 78,417.53
4. Step 4: Simplify right side
   142,083.83x = 15,374,676,532.86
5. Step 5: Solve for x
   x = 15,374,676,532.86/142,083.83
6. Step 6: Final answer
   x = 108,208.49