Finding the Fourth Proportional to 189,897.34, 262,090.56 and 109,371.47

Step by Step Solution

1. Step 1: Write the proportion equation
   189,897.34 : 262,090.56 = 109,371.47 : x
2. Step 2: Convert to fraction form
   189,897.34/262,090.56 = 109,371.47/x
3. Step 3: Cross multiply
   189,897.34x = 262,090.56 × 109,371.47
4. Step 4: Simplify right side
   189,897.34x = 28,665,229,273.47
5. Step 5: Solve for x
   x = 28,665,229,273.47/189,897.34
6. Step 6: Final answer
   x = 150,951.19