Finding the Fourth Proportional to 78,610.01, 108,481.28 and 42,800.00

Step by Step Solution

1. Step 1: Write the proportion equation
   78,610.01 : 108,481.28 = 42,800.00 : x
2. Step 2: Convert to fraction form
   78,610.01/108,481.28 = 42,800.00/x
3. Step 3: Cross multiply
   78,610.01x = 108,481.28 × 42,800.00
4. Step 4: Simplify right side
   78,610.01x = 4,642,998,027.59
5. Step 5: Solve for x
   x = 4,642,998,027.59/78,610.01
6. Step 6: Final answer
   x = 59,063.70