Finding the Fourth Proportional to 9,084.74, 12,533.90 and 5,105.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,084.74 : 12,533.90 = 5,105.00 : x
2. Step 2: Convert to fraction form
   9,084.74/12,533.90 = 5,105.00/x
3. Step 3: Cross multiply
   9,084.74x = 12,533.90 × 5,105.00
4. Step 4: Simplify right side
   9,084.74x = 63,985,565.31
5. Step 5: Solve for x
   x = 63,985,565.31/9,084.74
6. Step 6: Final answer
   x = 7,043.20