Finding the Fourth Proportional to 91,678.52, 137,488.98 and 35,514.74

Step by Step Solution

1. Step 1: Write the proportion equation
   91,678.52 : 137,488.98 = 35,514.74 : x
2. Step 2: Convert to fraction form
   91,678.52/137,488.98 = 35,514.74/x
3. Step 3: Cross multiply
   91,678.52x = 137,488.98 × 35,514.74
4. Step 4: Simplify right side
   91,678.52x = 4,882,885,377.57
5. Step 5: Solve for x
   x = 4,882,885,377.57/91,678.52
6. Step 6: Final answer
   x = 53,260.95