Finding the Fourth Proportional to 141,042.72, 211,429.18 and 52,272.39

Step by Step Solution

1. Step 1: Write the proportion equation
   141,042.72 : 211,429.18 = 52,272.39 : x
2. Step 2: Convert to fraction form
   141,042.72/211,429.18 = 52,272.39/x
3. Step 3: Cross multiply
   141,042.72x = 211,429.18 × 52,272.39
4. Step 4: Simplify right side
   141,042.72x = 11,051,908,554.34
5. Step 5: Solve for x
   x = 11,051,908,554.34/141,042.72
6. Step 6: Final answer
   x = 78,358.59