Finding the Fourth Proportional to 213,988.67, 295,300.72 and 118,493.31

Step by Step Solution

1. Step 1: Write the proportion equation
   213,988.67 : 295,300.72 = 118,493.31 : x
2. Step 2: Convert to fraction form
   213,988.67/295,300.72 = 118,493.31/x
3. Step 3: Cross multiply
   213,988.67x = 295,300.72 × 118,493.31
4. Step 4: Simplify right side
   213,988.67x = 34,991,159,758.18
5. Step 5: Solve for x
   x = 34,991,159,758.18/213,988.67
6. Step 6: Final answer
   x = 163,518.75