Finding the Fourth Proportional to 82,158.24, 123,212.70 and 42,693.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82,158.24 : 123,212.70 = 42,693.84 : x
2. Step 2: Convert to fraction form
   82,158.24/123,212.70 = 42,693.84/x
3. Step 3: Cross multiply
   82,158.24x = 123,212.70 × 42,693.84
4. Step 4: Simplify right side
   82,158.24x = 5,260,423,299.77
5. Step 5: Solve for x
   x = 5,260,423,299.77/82,158.24
6. Step 6: Final answer
   x = 64,027.95