Finding the Fourth Proportional to 121,567.54, 182,369.49 and 42,667.90

Step by Step Solution

1. Step 1: Write the proportion equation
   121,567.54 : 182,369.49 = 42,667.90 : x
2. Step 2: Convert to fraction form
   121,567.54/182,369.49 = 42,667.90/x
3. Step 3: Cross multiply
   121,567.54x = 182,369.49 × 42,667.90
4. Step 4: Simplify right side
   121,567.54x = 7,781,323,162.37
5. Step 5: Solve for x
   x = 7,781,323,162.37/121,567.54
6. Step 6: Final answer
   x = 64,008.23