Finding the Fourth Proportional to 65,300.48, 90,115.65 and 38,075.82

Step by Step Solution

1. Step 1: Write the proportion equation
   65,300.48 : 90,115.65 = 38,075.82 : x
2. Step 2: Convert to fraction form
   65,300.48/90,115.65 = 38,075.82/x
3. Step 3: Cross multiply
   65,300.48x = 90,115.65 × 38,075.82
4. Step 4: Simplify right side
   65,300.48x = 3,431,227,268.58
5. Step 5: Solve for x
   x = 3,431,227,268.58/65,300.48
6. Step 6: Final answer
   x = 52,545.21