Finding the Fourth Proportional to 79,748.61, 119,587.37 and 42,300.16

Step by Step Solution

1. Step 1: Write the proportion equation
   79,748.61 : 119,587.37 = 42,300.16 : x
2. Step 2: Convert to fraction form
   79,748.61/119,587.37 = 42,300.16/x
3. Step 3: Cross multiply
   79,748.61x = 119,587.37 × 42,300.16
4. Step 4: Simplify right side
   79,748.61x = 5,058,564,673.48
5. Step 5: Solve for x
   x = 5,058,564,673.48/79,748.61
6. Step 6: Final answer
   x = 63,431.38