Finding the Fourth Proportional to 38,650.86, 53,445.56 and 30,679.25

Step by Step Solution

1. Step 1: Write the proportion equation
   38,650.86 : 53,445.56 = 30,679.25 : x
2. Step 2: Convert to fraction form
   38,650.86/53,445.56 = 30,679.25/x
3. Step 3: Cross multiply
   38,650.86x = 53,445.56 × 30,679.25
4. Step 4: Simplify right side
   38,650.86x = 1,639,669,276.01
5. Step 5: Solve for x
   x = 1,639,669,276.01/38,650.86
6. Step 6: Final answer
   x = 42,422.58