Finding the Fourth Proportional to 149,679.42, 224,548.71 and 54,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,679.42 : 224,548.71 = 54,910.50 : x
2. Step 2: Convert to fraction form
   149,679.42/224,548.71 = 54,910.50/x
3. Step 3: Cross multiply
   149,679.42x = 224,548.71 × 54,910.50
4. Step 4: Simplify right side
   149,679.42x = 12,330,081,940.46
5. Step 5: Solve for x
   x = 12,330,081,940.46/149,679.42
6. Step 6: Final answer
   x = 82,376.60