Finding the Fourth Proportional to 153,986.30, 231,103.83 and 65,302.03

Step by Step Solution

1. Step 1: Write the proportion equation
   153,986.30 : 231,103.83 = 65,302.03 : x
2. Step 2: Convert to fraction form
   153,986.30/231,103.83 = 65,302.03/x
3. Step 3: Cross multiply
   153,986.30x = 231,103.83 × 65,302.03
4. Step 4: Simplify right side
   153,986.30x = 15,091,549,773.54
5. Step 5: Solve for x
   x = 15,091,549,773.54/153,986.30
6. Step 6: Final answer
   x = 98,005.80