Finding the Fourth Proportional to 72,383.03, 99,880.51 and 42,162.03

Step by Step Solution

1. Step 1: Write the proportion equation
   72,383.03 : 99,880.51 = 42,162.03 : x
2. Step 2: Convert to fraction form
   72,383.03/99,880.51 = 42,162.03/x
3. Step 3: Cross multiply
   72,383.03x = 99,880.51 × 42,162.03
4. Step 4: Simplify right side
   72,383.03x = 4,211,165,059.04
5. Step 5: Solve for x
   x = 4,211,165,059.04/72,383.03
6. Step 6: Final answer
   x = 58,178.90