Finding the Fourth Proportional to 72,300.18, 108,261.63 and 58,183.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,300.18 : 108,261.63 = 58,183.10 : x
2. Step 2: Convert to fraction form
   72,300.18/108,261.63 = 58,183.10/x
3. Step 3: Cross multiply
   72,300.18x = 108,261.63 × 58,183.10
4. Step 4: Simplify right side
   72,300.18x = 6,298,996,703.14
5. Step 5: Solve for x
   x = 6,298,996,703.14/72,300.18
6. Step 6: Final answer
   x = 87,122.84