Finding the Fourth Proportional to 141,878.00, 212,821.46 and 53,114.55

Step by Step Solution

1. Step 1: Write the proportion equation
   141,878.00 : 212,821.46 = 53,114.55 : x
2. Step 2: Convert to fraction form
   141,878.00/212,821.46 = 53,114.55/x
3. Step 3: Cross multiply
   141,878.00x = 212,821.46 × 53,114.55
4. Step 4: Simplify right side
   141,878.00x = 11,303,915,812.67
5. Step 5: Solve for x
   x = 11,303,915,812.67/141,878.00
6. Step 6: Final answer
   x = 79,673.50