Finding the Fourth Proportional to 134,829.50, 186,064.71 and 75,213.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,829.50 : 186,064.71 = 75,213.50 : x
2. Step 2: Convert to fraction form
   134,829.50/186,064.71 = 75,213.50/x
3. Step 3: Cross multiply
   134,829.50x = 186,064.71 × 75,213.50
4. Step 4: Simplify right side
   134,829.50x = 13,994,578,065.59
5. Step 5: Solve for x
   x = 13,994,578,065.59/134,829.50
6. Step 6: Final answer
   x = 103,794.63