Finding the Fourth Proportional to 65,296.76, 90,109.52 and 35,488.76

Step by Step Solution

1. Step 1: Write the proportion equation
   65,296.76 : 90,109.52 = 35,488.76 : x
2. Step 2: Convert to fraction form
   65,296.76/90,109.52 = 35,488.76/x
3. Step 3: Cross multiply
   65,296.76x = 90,109.52 × 35,488.76
4. Step 4: Simplify right side
   65,296.76x = 3,197,875,129.00
5. Step 5: Solve for x
   x = 3,197,875,129.00/65,296.76
6. Step 6: Final answer
   x = 48,974.48