Finding the Fourth Proportional to 212,447.74, 318,682.20 and 60,667.34

Step by Step Solution

1. Step 1: Write the proportion equation
   212,447.74 : 318,682.20 = 60,667.34 : x
2. Step 2: Convert to fraction form
   212,447.74/318,682.20 = 60,667.34/x
3. Step 3: Cross multiply
   212,447.74x = 318,682.20 × 60,667.34
4. Step 4: Simplify right side
   212,447.74x = 19,333,601,379.35
5. Step 5: Solve for x
   x = 19,333,601,379.35/212,447.74
6. Step 6: Final answer
   x = 91,004.03