Finding the Fourth Proportional to 72,437.75, 99,964.46 and 42,244.01

Step by Step Solution

1. Step 1: Write the proportion equation
   72,437.75 : 99,964.46 = 42,244.01 : x
2. Step 2: Convert to fraction form
   72,437.75/99,964.46 = 42,244.01/x
3. Step 3: Cross multiply
   72,437.75x = 99,964.46 × 42,244.01
4. Step 4: Simplify right side
   72,437.75x = 4,222,899,647.88
5. Step 5: Solve for x
   x = 4,222,899,647.88/72,437.75
6. Step 6: Final answer
   x = 58,296.95