Finding the Fourth Proportional to 141,835, 212,788.96 and 53,089.78

Step by Step Solution

1. Step 1: Write the proportion equation
   141,835 : 212,788.96 = 53,089.78 : x
2. Step 2: Convert to fraction form
   141,835/212,788.96 = 53,089.78/x
3. Step 3: Cross multiply
   141,835x = 212,788.96 × 53,089.78
4. Step 4: Simplify right side
   141,835x = 11,296,919,072.83
5. Step 5: Solve for x
   x = 11,296,919,072.83/141,835
6. Step 6: Final answer
   x = 79,648.32