Finding the Fourth Proportional to 111,478.30, 153,967.82 and 73,408.04

Step by Step Solution

1. Step 1: Write the proportion equation
   111,478.30 : 153,967.82 = 73,408.04 : x
2. Step 2: Convert to fraction form
   111,478.30/153,967.82 = 73,408.04/x
3. Step 3: Cross multiply
   111,478.30x = 153,967.82 × 73,408.04
4. Step 4: Simplify right side
   111,478.30x = 11,302,475,889.27
5. Step 5: Solve for x
   x = 11,302,475,889.27/111,478.30
6. Step 6: Final answer
   x = 101,387.23