Finding the Fourth Proportional to 78,483, 108,304.56 and 42,672.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,483 : 108,304.56 = 42,672.24 : x
2. Step 2: Convert to fraction form
   78,483/108,304.56 = 42,672.24/x
3. Step 3: Cross multiply
   78,483x = 108,304.56 × 42,672.24
4. Step 4: Simplify right side
   78,483x = 4,621,598,177.41
5. Step 5: Solve for x
   x = 4,621,598,177.41/78,483
6. Step 6: Final answer
   x = 58,886.61