Finding the Fourth Proportional to 141,168.69, 194,814.35 and 76,638.52

Step by Step Solution

1. Step 1: Write the proportion equation
   141,168.69 : 194,814.35 = 76,638.52 : x
2. Step 2: Convert to fraction form
   141,168.69/194,814.35 = 76,638.52/x
3. Step 3: Cross multiply
   141,168.69x = 194,814.35 × 76,638.52
4. Step 4: Simplify right side
   141,168.69x = 14,930,283,606.48
5. Step 5: Solve for x
   x = 14,930,283,606.48/141,168.69
6. Step 6: Final answer
   x = 105,762.00