Finding the Fourth Proportional to 153,105.42, 229,682.76 and 53,293.98

Step by Step Solution

1. Step 1: Write the proportion equation
   153,105.42 : 229,682.76 = 53,293.98 : x
2. Step 2: Convert to fraction form
   153,105.42/229,682.76 = 53,293.98/x
3. Step 3: Cross multiply
   153,105.42x = 229,682.76 × 53,293.98
4. Step 4: Simplify right side
   153,105.42x = 12,240,708,417.78
5. Step 5: Solve for x
   x = 12,240,708,417.78/153,105.42
6. Step 6: Final answer
   x = 79,949.54