Finding the Fourth Proportional to 112,398.59, 155,108.24 and 61,410.22

Step by Step Solution

1. Step 1: Write the proportion equation
   112,398.59 : 155,108.24 = 61,410.22 : x
2. Step 2: Convert to fraction form
   112,398.59/155,108.24 = 61,410.22/x
3. Step 3: Cross multiply
   112,398.59x = 155,108.24 × 61,410.22
4. Step 4: Simplify right side
   112,398.59x = 9,525,231,142.21
5. Step 5: Solve for x
   x = 9,525,231,142.21/112,398.59
6. Step 6: Final answer
   x = 84,745.12