Finding the Fourth Proportional to 17,810.64, 26,740.56 and 9,051.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,810.64 : 26,740.56 = 9,051.72 : x
2. Step 2: Convert to fraction form
   17,810.64/26,740.56 = 9,051.72/x
3. Step 3: Cross multiply
   17,810.64x = 26,740.56 × 9,051.72
4. Step 4: Simplify right side
   17,810.64x = 242,048,061.76
5. Step 5: Solve for x
   x = 242,048,061.76/17,810.64
6. Step 6: Final answer
   x = 13,590.08