Finding the Fourth Proportional to 57,075.86, 78,755.49 and 35,840.09

Step by Step Solution

1. Step 1: Write the proportion equation
   57,075.86 : 78,755.49 = 35,840.09 : x
2. Step 2: Convert to fraction form
   57,075.86/78,755.49 = 35,840.09/x
3. Step 3: Cross multiply
   57,075.86x = 78,755.49 × 35,840.09
4. Step 4: Simplify right side
   57,075.86x = 2,822,604,046.48
5. Step 5: Solve for x
   x = 2,822,604,046.48/57,075.86
6. Step 6: Final answer
   x = 49,453.55