Finding the Fourth Proportional to 78,306, 108,062.36 and 42,496.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,306 : 108,062.36 = 42,496.02 : x
2. Step 2: Convert to fraction form
   78,306/108,062.36 = 42,496.02/x
3. Step 3: Cross multiply
   78,306x = 108,062.36 × 42,496.02
4. Step 4: Simplify right side
   78,306x = 4,592,219,999.33
5. Step 5: Solve for x
   x = 4,592,219,999.33/78,306
6. Step 6: Final answer
   x = 58,644.55