Finding the Fourth Proportional to 141,561.18, 212,340.15 and 57,298.41

Step by Step Solution

1. Step 1: Write the proportion equation
   141,561.18 : 212,340.15 = 57,298.41 : x
2. Step 2: Convert to fraction form
   141,561.18/212,340.15 = 57,298.41/x
3. Step 3: Cross multiply
   141,561.18x = 212,340.15 × 57,298.41
4. Step 4: Simplify right side
   141,561.18x = 12,166,752,974.16
5. Step 5: Solve for x
   x = 12,166,752,974.16/141,561.18
6. Step 6: Final answer
   x = 85,946.96