Finding the Fourth Proportional to 141,156.99, 194,796.97 and 77,498.88

Step by Step Solution

1. Step 1: Write the proportion equation
   141,156.99 : 194,796.97 = 77,498.88 : x
2. Step 2: Convert to fraction form
   141,156.99/194,796.97 = 77,498.88/x
3. Step 3: Cross multiply
   141,156.99x = 194,796.97 × 77,498.88
4. Step 4: Simplify right side
   141,156.99x = 15,096,547,002.39
5. Step 5: Solve for x
   x = 15,096,547,002.39/141,156.99
6. Step 6: Final answer
   x = 106,948.64