Finding the Fourth Proportional to 121,328.53, 182,018.72 and 42,445.33

Step by Step Solution

1. Step 1: Write the proportion equation
   121,328.53 : 182,018.72 = 42,445.33 : x
2. Step 2: Convert to fraction form
   121,328.53/182,018.72 = 42,445.33/x
3. Step 3: Cross multiply
   121,328.53x = 182,018.72 × 42,445.33
4. Step 4: Simplify right side
   121,328.53x = 7,725,844,424.35
5. Step 5: Solve for x
   x = 7,725,844,424.35/121,328.53
6. Step 6: Final answer
   x = 63,677.06