Finding the Fourth Proportional to 141,157.98, 194,798.36 and 77,499.89

Step by Step Solution

1. Step 1: Write the proportion equation
   141,157.98 : 194,798.36 = 77,499.89 : x
2. Step 2: Convert to fraction form
   141,157.98/194,798.36 = 77,499.89/x
3. Step 3: Cross multiply
   141,157.98x = 194,798.36 × 77,499.89
4. Step 4: Simplify right side
   141,157.98x = 15,096,850,110.69
5. Step 5: Solve for x
   x = 15,096,850,110.69/141,157.98
6. Step 6: Final answer
   x = 106,950.03