Finding the Fourth Proportional to 82,193.30, 123,180.95 and 42,210.67

Step by Step Solution

1. Step 1: Write the proportion equation
   82,193.30 : 123,180.95 = 42,210.67 : x
2. Step 2: Convert to fraction form
   82,193.30/123,180.95 = 42,210.67/x
3. Step 3: Cross multiply
   82,193.30x = 123,180.95 × 42,210.67
4. Step 4: Simplify right side
   82,193.30x = 5,199,550,459.28
5. Step 5: Solve for x
   x = 5,199,550,459.28/82,193.30
6. Step 6: Final answer
   x = 63,260.03