Finding the Fourth Proportional to 9,025.32, 13,538.34 and 2,784.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,025.32 : 13,538.34 = 2,784.78 : x
2. Step 2: Convert to fraction form
   9,025.32/13,538.34 = 2,784.78/x
3. Step 3: Cross multiply
   9,025.32x = 13,538.34 × 2,784.78
4. Step 4: Simplify right side
   9,025.32x = 37,701,298.47
5. Step 5: Solve for x
   x = 37,701,298.47/9,025.32
6. Step 6: Final answer
   x = 4,177.28