Finding the Fourth Proportional to 72,252.33, 99,728.25 and 42,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,252.33 : 99,728.25 = 42,043.50 : x
2. Step 2: Convert to fraction form
   72,252.33/99,728.25 = 42,043.50/x
3. Step 3: Cross multiply
   72,252.33x = 99,728.25 × 42,043.50
4. Step 4: Simplify right side
   72,252.33x = 4,192,924,678.88
5. Step 5: Solve for x
   x = 4,192,924,678.88/72,252.33
6. Step 6: Final answer
   x = 58,031.69