Finding the Fourth Proportional to 79,881.10, 119,698.47 and 39,308.03

Step by Step Solution

1. Step 1: Write the proportion equation
   79,881.10 : 119,698.47 = 39,308.03 : x
2. Step 2: Convert to fraction form
   79,881.10/119,698.47 = 39,308.03/x
3. Step 3: Cross multiply
   79,881.10x = 119,698.47 × 39,308.03
4. Step 4: Simplify right side
   79,881.10x = 4,705,111,049.71
5. Step 5: Solve for x
   x = 4,705,111,049.71/79,881.10
6. Step 6: Final answer
   x = 58,901.43