Finding the Fourth Proportional to 73,030.72, 100,782.30 and 39,496.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,030.72 : 100,782.30 = 39,496.72 : x
2. Step 2: Convert to fraction form
   73,030.72/100,782.30 = 39,496.72/x
3. Step 3: Cross multiply
   73,030.72x = 100,782.30 × 39,496.72
4. Step 4: Simplify right side
   73,030.72x = 3,980,570,284.06
5. Step 5: Solve for x
   x = 3,980,570,284.06/73,030.72
6. Step 6: Final answer
   x = 54,505.42