Finding the Fourth Proportional to 13,095.34, 18,071.57 and 7,126.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,095.34 : 18,071.57 = 7,126.88 : x
2. Step 2: Convert to fraction form
   13,095.34/18,071.57 = 7,126.88/x
3. Step 3: Cross multiply
   13,095.34x = 18,071.57 × 7,126.88
4. Step 4: Simplify right side
   13,095.34x = 128,793,784.81
5. Step 5: Solve for x
   x = 128,793,784.81/13,095.34
6. Step 6: Final answer
   x = 9,835.09