Finding the Fourth Proportional to 61,274.59, 91,782.72 and 28,022.65

Step by Step Solution

1. Step 1: Write the proportion equation
   61,274.59 : 91,782.72 = 28,022.65 : x
2. Step 2: Convert to fraction form
   61,274.59/91,782.72 = 28,022.65/x
3. Step 3: Cross multiply
   61,274.59x = 91,782.72 × 28,022.65
4. Step 4: Simplify right side
   61,274.59x = 2,571,994,809.15
5. Step 5: Solve for x
   x = 2,571,994,809.15/61,274.59
6. Step 6: Final answer
   x = 41,974.90