Finding the Fourth Proportional to 111,474.48, 153,962.55 and 73,404.21

Step by Step Solution

1. Step 1: Write the proportion equation
   111,474.48 : 153,962.55 = 73,404.21 : x
2. Step 2: Convert to fraction form
   111,474.48/153,962.55 = 73,404.21/x
3. Step 3: Cross multiply
   111,474.48x = 153,962.55 × 73,404.21
4. Step 4: Simplify right side
   111,474.48x = 11,301,499,352.34
5. Step 5: Solve for x
   x = 11,301,499,352.34/111,474.48
6. Step 6: Final answer
   x = 101,381.94