Finding the Fourth Proportional to 9,036.54, 12,470.78 and 5,003.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,036.54 : 12,470.78 = 5,003.88 : x
2. Step 2: Convert to fraction form
   9,036.54/12,470.78 = 5,003.88/x
3. Step 3: Cross multiply
   9,036.54x = 12,470.78 × 5,003.88
4. Step 4: Simplify right side
   9,036.54x = 62,402,261.61
5. Step 5: Solve for x
   x = 62,402,261.61/9,036.54
6. Step 6: Final answer
   x = 6,905.55