Finding the Fourth Proportional to 103,429.28, 142,722.33 and 58,097

Step by Step Solution

1. Step 1: Write the proportion equation
   103,429.28 : 142,722.33 = 58,097 : x
2. Step 2: Convert to fraction form
   103,429.28/142,722.33 = 58,097/x
3. Step 3: Cross multiply
   103,429.28x = 142,722.33 × 58,097
4. Step 4: Simplify right side
   103,429.28x = 8,291,739,206.01
5. Step 5: Solve for x
   x = 8,291,739,206.01/103,429.28
6. Step 6: Final answer
   x = 80,168.20