Finding the Fourth Proportional to 112,468.89, 155,208.52 and 61,480.81

Step by Step Solution

1. Step 1: Write the proportion equation
   112,468.89 : 155,208.52 = 61,480.81 : x
2. Step 2: Convert to fraction form
   112,468.89/155,208.52 = 61,480.81/x
3. Step 3: Cross multiply
   112,468.89x = 155,208.52 × 61,480.81
4. Step 4: Simplify right side
   112,468.89x = 9,542,345,528.50
5. Step 5: Solve for x
   x = 9,542,345,528.50/112,468.89
6. Step 6: Final answer
   x = 84,844.31