Finding the Fourth Proportional to 113,003.84, 155,973.50 and 65,284.88

Step by Step Solution

1. Step 1: Write the proportion equation
   113,003.84 : 155,973.50 = 65,284.88 : x
2. Step 2: Convert to fraction form
   113,003.84/155,973.50 = 65,284.88/x
3. Step 3: Cross multiply
   113,003.84x = 155,973.50 × 65,284.88
4. Step 4: Simplify right side
   113,003.84x = 10,182,711,230.68
5. Step 5: Solve for x
   x = 10,182,711,230.68/113,003.84
6. Step 6: Final answer
   x = 90,109.43