Finding the Fourth Proportional to 103,697.34, 143,116.25 and 58,384.32

Step by Step Solution

1. Step 1: Write the proportion equation
   103,697.34 : 143,116.25 = 58,384.32 : x
2. Step 2: Convert to fraction form
   103,697.34/143,116.25 = 58,384.32/x
3. Step 3: Cross multiply
   103,697.34x = 143,116.25 × 58,384.32
4. Step 4: Simplify right side
   103,697.34x = 8,355,744,645.28
5. Step 5: Solve for x
   x = 8,355,744,645.28/103,697.34
6. Step 6: Final answer
   x = 80,578.20