Finding the Fourth Proportional to 132,870.15, 199,271.16 and 39,354.03

Step by Step Solution

1. Step 1: Write the proportion equation
   132,870.15 : 199,271.16 = 39,354.03 : x
2. Step 2: Convert to fraction form
   132,870.15/199,271.16 = 39,354.03/x
3. Step 3: Cross multiply
   132,870.15x = 199,271.16 × 39,354.03
4. Step 4: Simplify right side
   132,870.15x = 7,842,123,208.77
5. Step 5: Solve for x
   x = 7,842,123,208.77/132,870.15
6. Step 6: Final answer
   x = 59,020.96