Finding the Fourth Proportional to 10,889.42, 15,023.00 and 7,898.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,889.42 : 15,023.00 = 7,898.69 : x
2. Step 2: Convert to fraction form
   10,889.42/15,023.00 = 7,898.69/x
3. Step 3: Cross multiply
   10,889.42x = 15,023.00 × 7,898.69
4. Step 4: Simplify right side
   10,889.42x = 118,662,077.17
5. Step 5: Solve for x
   x = 118,662,077.17/10,889.42
6. Step 6: Final answer
   x = 10,897.01