Finding the Fourth Proportional to 141,054.32, 194,667.28 and 77,404.56

Step by Step Solution

1. Step 1: Write the proportion equation
   141,054.32 : 194,667.28 = 77,404.56 : x
2. Step 2: Convert to fraction form
   141,054.32/194,667.28 = 77,404.56/x
3. Step 3: Cross multiply
   141,054.32x = 194,667.28 × 77,404.56
4. Step 4: Simplify right side
   141,054.32x = 15,068,135,154.80
5. Step 5: Solve for x
   x = 15,068,135,154.80/141,054.32
6. Step 6: Final answer
   x = 106,825.05