Finding the Fourth Proportional to 141,347.50, 212,021.61 and 42,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,347.50 : 212,021.61 = 42,851.50 : x
2. Step 2: Convert to fraction form
   141,347.50/212,021.61 = 42,851.50/x
3. Step 3: Cross multiply
   141,347.50x = 212,021.61 × 42,851.50
4. Step 4: Simplify right side
   141,347.50x = 9,085,444,020.92
5. Step 5: Solve for x
   x = 9,085,444,020.92/141,347.50
6. Step 6: Final answer
   x = 64,277.36