Finding the Fourth Proportional to 181,404.34, 272,109.28 and 69,090.76

Step by Step Solution

1. Step 1: Write the proportion equation
   181,404.34 : 272,109.28 = 69,090.76 : x
2. Step 2: Convert to fraction form
   181,404.34/272,109.28 = 69,090.76/x
3. Step 3: Cross multiply
   181,404.34x = 272,109.28 × 69,090.76
4. Step 4: Simplify right side
   181,404.34x = 18,800,236,958.25
5. Step 5: Solve for x
   x = 18,800,236,958.25/181,404.34
6. Step 6: Final answer
   x = 103,637.19