Finding the Fourth Proportional to 113,109.48, 156,052.01 and 72,297.48

Step by Step Solution

1. Step 1: Write the proportion equation
   113,109.48 : 156,052.01 = 72,297.48 : x
2. Step 2: Convert to fraction form
   113,109.48/156,052.01 = 72,297.48/x
3. Step 3: Cross multiply
   113,109.48x = 156,052.01 × 72,297.48
4. Step 4: Simplify right side
   113,109.48x = 11,282,167,837.87
5. Step 5: Solve for x
   x = 11,282,167,837.87/113,109.48
6. Step 6: Final answer
   x = 99,745.55