Finding the Fourth Proportional to 65,875.83, 98,813.88 and 30,840.09

Step by Step Solution

1. Step 1: Write the proportion equation
   65,875.83 : 98,813.88 = 30,840.09 : x
2. Step 2: Convert to fraction form
   65,875.83/98,813.88 = 30,840.09/x
3. Step 3: Cross multiply
   65,875.83x = 98,813.88 × 30,840.09
4. Step 4: Simplify right side
   65,875.83x = 3,047,428,952.45
5. Step 5: Solve for x
   x = 3,047,428,952.45/65,875.83
6. Step 6: Final answer
   x = 46,260.20