Finding the Fourth Proportional to 122,978.42, 184,487.04 and 43,038.71

Step by Step Solution

1. Step 1: Write the proportion equation
   122,978.42 : 184,487.04 = 43,038.71 : x
2. Step 2: Convert to fraction form
   122,978.42/184,487.04 = 43,038.71/x
3. Step 3: Cross multiply
   122,978.42x = 184,487.04 × 43,038.71
4. Step 4: Simplify right side
   122,978.42x = 7,940,083,290.88
5. Step 5: Solve for x
   x = 7,940,083,290.88/122,978.42
6. Step 6: Final answer
   x = 64,564.85