Finding the Fourth Proportional to 121,570.34, 182,435.28 and 42,682.54

Step by Step Solution

1. Step 1: Write the proportion equation
   121,570.34 : 182,435.28 = 42,682.54 : x
2. Step 2: Convert to fraction form
   121,570.34/182,435.28 = 42,682.54/x
3. Step 3: Cross multiply
   121,570.34x = 182,435.28 × 42,682.54
4. Step 4: Simplify right side
   121,570.34x = 7,786,801,136.01
5. Step 5: Solve for x
   x = 7,786,801,136.01/121,570.34
6. Step 6: Final answer
   x = 64,051.82