Finding the Fourth Proportional to 173,002.68, 238,760.39 and 105,003.99

Step by Step Solution

1. Step 1: Write the proportion equation
   173,002.68 : 238,760.39 = 105,003.99 : x
2. Step 2: Convert to fraction form
   173,002.68/238,760.39 = 105,003.99/x
3. Step 3: Cross multiply
   173,002.68x = 238,760.39 × 105,003.99
4. Step 4: Simplify right side
   173,002.68x = 25,070,793,866.47
5. Step 5: Solve for x
   x = 25,070,793,866.47/173,002.68
6. Step 6: Final answer
   x = 144,915.64