Finding the Fourth Proportional to 196,648.42, 294,987.49 and 54,492.05

Step by Step Solution

1. Step 1: Write the proportion equation
   196,648.42 : 294,987.49 = 54,492.05 : x
2. Step 2: Convert to fraction form
   196,648.42/294,987.49 = 54,492.05/x
3. Step 3: Cross multiply
   196,648.42x = 294,987.49 × 54,492.05
4. Step 4: Simplify right side
   196,648.42x = 16,074,473,055.93
5. Step 5: Solve for x
   x = 16,074,473,055.93/196,648.42
6. Step 6: Final answer
   x = 81,742.19