Finding the Fourth Proportional to 194,099.96, 266,426.86 and 172,404.92

Step by Step Solution

1. Step 1: Write the proportion equation
   194,099.96 : 266,426.86 = 172,404.92 : x
2. Step 2: Convert to fraction form
   194,099.96/266,426.86 = 172,404.92/x
3. Step 3: Cross multiply
   194,099.96x = 266,426.86 × 172,404.92
4. Step 4: Simplify right side
   194,099.96x = 45,933,301,484.15
5. Step 5: Solve for x
   x = 45,933,301,484.15/194,099.96
6. Step 6: Final answer
   x = 236,647.66