Finding the Fourth Proportional to 9,300.77, 13,953.57 and 3,061.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.77 : 13,953.57 = 3,061.75 : x
2. Step 2: Convert to fraction form
   9,300.77/13,953.57 = 3,061.75/x
3. Step 3: Cross multiply
   9,300.77x = 13,953.57 × 3,061.75
4. Step 4: Simplify right side
   9,300.77x = 42,722,342.95
5. Step 5: Solve for x
   x = 42,722,342.95/9,300.77
6. Step 6: Final answer
   x = 4,593.42