Finding the Fourth Proportional to 106,667.78, 147,198.75 and 58,913.42

Step by Step Solution

1. Step 1: Write the proportion equation
   106,667.78 : 147,198.75 = 58,913.42 : x
2. Step 2: Convert to fraction form
   106,667.78/147,198.75 = 58,913.42/x
3. Step 3: Cross multiply
   106,667.78x = 147,198.75 × 58,913.42
4. Step 4: Simplify right side
   106,667.78x = 8,671,981,782.23
5. Step 5: Solve for x
   x = 8,671,981,782.23/106,667.78
6. Step 6: Final answer
   x = 81,298.98