Finding the Fourth Proportional to 213,298.72, 294,327.10 and 117,799.72

Step by Step Solution

1. Step 1: Write the proportion equation
   213,298.72 : 294,327.10 = 117,799.72 : x
2. Step 2: Convert to fraction form
   213,298.72/294,327.10 = 117,799.72/x
3. Step 3: Cross multiply
   213,298.72x = 294,327.10 × 117,799.72
4. Step 4: Simplify right side
   213,298.72x = 34,671,649,968.41
5. Step 5: Solve for x
   x = 34,671,649,968.41/213,298.72
6. Step 6: Final answer
   x = 162,549.73