Finding the Fourth Proportional to 110,136.96, 152,051.94 and 72,520.56

Step by Step Solution

1. Step 1: Write the proportion equation
   110,136.96 : 152,051.94 = 72,520.56 : x
2. Step 2: Convert to fraction form
   110,136.96/152,051.94 = 72,520.56/x
3. Step 3: Cross multiply
   110,136.96x = 152,051.94 × 72,520.56
4. Step 4: Simplify right side
   110,136.96x = 11,026,891,837.89
5. Step 5: Solve for x
   x = 11,026,891,837.89/110,136.96
6. Step 6: Final answer
   x = 100,119.81