Finding the Fourth Proportional to 111,114.60, 153,313.74 and 65,769.90

Step by Step Solution

1. Step 1: Write the proportion equation
   111,114.60 : 153,313.74 = 65,769.90 : x
2. Step 2: Convert to fraction form
   111,114.60/153,313.74 = 65,769.90/x
3. Step 3: Cross multiply
   111,114.60x = 153,313.74 × 65,769.90
4. Step 4: Simplify right side
   111,114.60x = 10,083,429,348.43
5. Step 5: Solve for x
   x = 10,083,429,348.43/111,114.60
6. Step 6: Final answer
   x = 90,748.01