Finding the Fourth Proportional to 61,783, 85,260.72 and 33,488.80

Step by Step Solution

1. Step 1: Write the proportion equation
   61,783 : 85,260.72 = 33,488.80 : x
2. Step 2: Convert to fraction form
   61,783/85,260.72 = 33,488.80/x
3. Step 3: Cross multiply
   61,783x = 85,260.72 × 33,488.80
4. Step 4: Simplify right side
   61,783x = 2,855,279,199.94
5. Step 5: Solve for x
   x = 2,855,279,199.94/61,783
6. Step 6: Final answer
   x = 46,214.64