Finding the Fourth Proportional to 141,118.47, 194,744.12 and 77,456.79

Step by Step Solution

1. Step 1: Write the proportion equation
   141,118.47 : 194,744.12 = 77,456.79 : x
2. Step 2: Convert to fraction form
   141,118.47/194,744.12 = 77,456.79/x
3. Step 3: Cross multiply
   141,118.47x = 194,744.12 × 77,456.79
4. Step 4: Simplify right side
   141,118.47x = 15,084,254,019.29
5. Step 5: Solve for x
   x = 15,084,254,019.29/141,118.47
6. Step 6: Final answer
   x = 106,890.71