Finding the Fourth Proportional to 112,404.94, 155,114.19 and 61,419.42

Step by Step Solution

1. Step 1: Write the proportion equation
   112,404.94 : 155,114.19 = 61,419.42 : x
2. Step 2: Convert to fraction form
   112,404.94/155,114.19 = 61,419.42/x
3. Step 3: Cross multiply
   112,404.94x = 155,114.19 × 61,419.42
4. Step 4: Simplify right side
   112,404.94x = 9,527,023,583.57
5. Step 5: Solve for x
   x = 9,527,023,583.57/112,404.94
6. Step 6: Final answer
   x = 84,756.27