Finding the Fourth Proportional to 153,659.42, 230,435.82 and 53,817.40

Step by Step Solution

1. Step 1: Write the proportion equation
   153,659.42 : 230,435.82 = 53,817.40 : x
2. Step 2: Convert to fraction form
   153,659.42/230,435.82 = 53,817.40/x
3. Step 3: Cross multiply
   153,659.42x = 230,435.82 × 53,817.40
4. Step 4: Simplify right side
   153,659.42x = 12,401,456,699.27
5. Step 5: Solve for x
   x = 12,401,456,699.27/153,659.42
6. Step 6: Final answer
   x = 80,707.43