Finding the Fourth Proportional to 141,607.57, 212,411.91 and 57,369.33

Step by Step Solution

1. Step 1: Write the proportion equation
   141,607.57 : 212,411.91 = 57,369.33 : x
2. Step 2: Convert to fraction form
   141,607.57/212,411.91 = 57,369.33/x
3. Step 3: Cross multiply
   141,607.57x = 212,411.91 × 57,369.33
4. Step 4: Simplify right side
   141,607.57x = 12,185,928,960.72
5. Step 5: Solve for x
   x = 12,185,928,960.72/141,607.57
6. Step 6: Final answer
   x = 86,054.22