Finding the Fourth Proportional to 111,499.58, 153,997.14 and 73,429.31

Step by Step Solution

1. Step 1: Write the proportion equation
   111,499.58 : 153,997.14 = 73,429.31 : x
2. Step 2: Convert to fraction form
   111,499.58/153,997.14 = 73,429.31/x
3. Step 3: Cross multiply
   111,499.58x = 153,997.14 × 73,429.31
4. Step 4: Simplify right side
   111,499.58x = 11,307,902,962.19
5. Step 5: Solve for x
   x = 11,307,902,962.19/111,499.58
6. Step 6: Final answer
   x = 101,416.56