Finding the Fourth Proportional to 142,083.34, 196,061.05 and 78,417.04

Step by Step Solution

1. Step 1: Write the proportion equation
   142,083.34 : 196,061.05 = 78,417.04 : x
2. Step 2: Convert to fraction form
   142,083.34/196,061.05 = 78,417.04/x
3. Step 3: Cross multiply
   142,083.34x = 196,061.05 × 78,417.04
4. Step 4: Simplify right side
   142,083.34x = 15,374,526,808.16
5. Step 5: Solve for x
   x = 15,374,526,808.16/142,083.34
6. Step 6: Final answer
   x = 108,207.81