Finding the Fourth Proportional to 129,162.05, 193,746.72 and 35,667.80

Step by Step Solution

1. Step 1: Write the proportion equation
   129,162.05 : 193,746.72 = 35,667.80 : x
2. Step 2: Convert to fraction form
   129,162.05/193,746.72 = 35,667.80/x
3. Step 3: Cross multiply
   129,162.05x = 193,746.72 × 35,667.80
4. Step 4: Simplify right side
   129,162.05x = 6,910,518,678.10
5. Step 5: Solve for x
   x = 6,910,518,678.10/129,162.05
6. Step 6: Final answer
   x = 53,502.70