Finding the Fourth Proportional to 141,841.56, 212,799.18 and 53,101.88

Step by Step Solution

1. Step 1: Write the proportion equation
   141,841.56 : 212,799.18 = 53,101.88 : x
2. Step 2: Convert to fraction form
   141,841.56/212,799.18 = 53,101.88/x
3. Step 3: Cross multiply
   141,841.56x = 212,799.18 × 53,101.88
4. Step 4: Simplify right side
   141,841.56x = 11,300,036,520.46
5. Step 5: Solve for x
   x = 11,300,036,520.46/141,841.56
6. Step 6: Final answer
   x = 79,666.61