Finding the Fourth Proportional to 123,345.16, 185,091.56 and 53,224.48

Step by Step Solution

1. Step 1: Write the proportion equation
   123,345.16 : 185,091.56 = 53,224.48 : x
2. Step 2: Convert to fraction form
   123,345.16/185,091.56 = 53,224.48/x
3. Step 3: Cross multiply
   123,345.16x = 185,091.56 × 53,224.48
4. Step 4: Simplify right side
   123,345.16x = 9,851,402,033.39
5. Step 5: Solve for x
   x = 9,851,402,033.39/123,345.16
6. Step 6: Final answer
   x = 79,868.57