Finding the Fourth Proportional to 112,131.42, 154,740.24 and 61,144.03

Step by Step Solution

1. Step 1: Write the proportion equation
   112,131.42 : 154,740.24 = 61,144.03 : x
2. Step 2: Convert to fraction form
   112,131.42/154,740.24 = 61,144.03/x
3. Step 3: Cross multiply
   112,131.42x = 154,740.24 × 61,144.03
4. Step 4: Simplify right side
   112,131.42x = 9,461,441,876.77
5. Step 5: Solve for x
   x = 9,461,441,876.77/112,131.42
6. Step 6: Final answer
   x = 84,378.15