Finding the Fourth Proportional to 141,155.28, 194,796.72 and 77,495.76

Step by Step Solution

1. Step 1: Write the proportion equation
   141,155.28 : 194,796.72 = 77,495.76 : x
2. Step 2: Convert to fraction form
   141,155.28/194,796.72 = 77,495.76/x
3. Step 3: Cross multiply
   141,155.28x = 194,796.72 × 77,495.76
4. Step 4: Simplify right side
   141,155.28x = 15,095,919,861.91
5. Step 5: Solve for x
   x = 15,095,919,861.91/141,155.28
6. Step 6: Final answer
   x = 106,945.48