Finding the Fourth Proportional to 66,620.17, 91,934.71 and 36,404.83

Step by Step Solution

1. Step 1: Write the proportion equation
   66,620.17 : 91,934.71 = 36,404.83 : x
2. Step 2: Convert to fraction form
   66,620.17/91,934.71 = 36,404.83/x
3. Step 3: Cross multiply
   66,620.17x = 91,934.71 × 36,404.83
4. Step 4: Simplify right side
   66,620.17x = 3,346,867,488.65
5. Step 5: Solve for x
   x = 3,346,867,488.65/66,620.17
6. Step 6: Final answer
   x = 50,238.05