Finding the Fourth Proportional to 78,519.00, 108,356.53 and 42,709.23

Step by Step Solution

1. Step 1: Write the proportion equation
   78,519.00 : 108,356.53 = 42,709.23 : x
2. Step 2: Convert to fraction form
   78,519.00/108,356.53 = 42,709.23/x
3. Step 3: Cross multiply
   78,519.00x = 108,356.53 × 42,709.23
4. Step 4: Simplify right side
   78,519.00x = 4,627,823,526.76
5. Step 5: Solve for x
   x = 4,627,823,526.76/78,519.00
6. Step 6: Final answer
   x = 58,938.90