Finding the Fourth Proportional to 139,444.88, 209,926.05 and 127,044.59

Step by Step Solution

1. Step 1: Write the proportion equation
   139,444.88 : 209,926.05 = 127,044.59 : x
2. Step 2: Convert to fraction form
   139,444.88/209,926.05 = 127,044.59/x
3. Step 3: Cross multiply
   139,444.88x = 209,926.05 × 127,044.59
4. Step 4: Simplify right side
   139,444.88x = 26,669,967,426.52
5. Step 5: Solve for x
   x = 26,669,967,426.52/139,444.88
6. Step 6: Final answer
   x = 191,258.14