Finding the Fourth Proportional to 101,012.72, 151,351.56 and 61,450.16

Step by Step Solution

1. Step 1: Write the proportion equation
   101,012.72 : 151,351.56 = 61,450.16 : x
2. Step 2: Convert to fraction form
   101,012.72/151,351.56 = 61,450.16/x
3. Step 3: Cross multiply
   101,012.72x = 151,351.56 × 61,450.16
4. Step 4: Simplify right side
   101,012.72x = 9,300,577,578.25
5. Step 5: Solve for x
   x = 9,300,577,578.25/101,012.72
6. Step 6: Final answer
   x = 92,073.33