Finding the Fourth Proportional to 173,002.03, 238,748.73 and 100,399.33

Step by Step Solution

1. Step 1: Write the proportion equation
   173,002.03 : 238,748.73 = 100,399.33 : x
2. Step 2: Convert to fraction form
   173,002.03/238,748.73 = 100,399.33/x
3. Step 3: Cross multiply
   173,002.03x = 238,748.73 × 100,399.33
4. Step 4: Simplify right side
   173,002.03x = 23,970,212,530.35
5. Step 5: Solve for x
   x = 23,970,212,530.35/173,002.03
6. Step 6: Final answer
   x = 138,554.52