Finding the Fourth Proportional to 141,602.82, 212,404.78 and 57,364.57

Step by Step Solution

1. Step 1: Write the proportion equation
   141,602.82 : 212,404.78 = 57,364.57 : x
2. Step 2: Convert to fraction form
   141,602.82/212,404.78 = 57,364.57/x
3. Step 3: Cross multiply
   141,602.82x = 212,404.78 × 57,364.57
4. Step 4: Simplify right side
   141,602.82x = 12,184,509,207.86
5. Step 5: Solve for x
   x = 12,184,509,207.86/141,602.82
6. Step 6: Final answer
   x = 86,047.08