Finding the Fourth Proportional to 191,026.48, 263,603.59 and 104,991.52

Step by Step Solution

1. Step 1: Write the proportion equation
   191,026.48 : 263,603.59 = 104,991.52 : x
2. Step 2: Convert to fraction form
   191,026.48/263,603.59 = 104,991.52/x
3. Step 3: Cross multiply
   191,026.48x = 263,603.59 × 104,991.52
4. Step 4: Simplify right side
   191,026.48x = 27,676,141,591.56
5. Step 5: Solve for x
   x = 27,676,141,591.56/191,026.48
6. Step 6: Final answer
   x = 144,881.18