Finding the Fourth Proportional to 153,987.30, 231,105.33 and 65,303.03

Step by Step Solution

1. Step 1: Write the proportion equation
   153,987.30 : 231,105.33 = 65,303.03 : x
2. Step 2: Convert to fraction form
   153,987.30/231,105.33 = 65,303.03/x
3. Step 3: Cross multiply
   153,987.30x = 231,105.33 × 65,303.03
4. Step 4: Simplify right side
   153,987.30x = 15,091,878,298.15
5. Step 5: Solve for x
   x = 15,091,878,298.15/153,987.30
6. Step 6: Final answer
   x = 98,007.29