Finding the Fourth Proportional to 65,875.78, 98,813.49 and 50,904.69

Step by Step Solution

1. Step 1: Write the proportion equation
   65,875.78 : 98,813.49 = 50,904.69 : x
2. Step 2: Convert to fraction form
   65,875.78/98,813.49 = 50,904.69/x
3. Step 3: Cross multiply
   65,875.78x = 98,813.49 × 50,904.69
4. Step 4: Simplify right side
   65,875.78x = 5,030,069,514.82
5. Step 5: Solve for x
   x = 5,030,069,514.82/65,875.78
6. Step 6: Final answer
   x = 76,356.89