Finding the Fourth Proportional to 122,742.72, 184,138.56 and 43,868.16

Step by Step Solution

1. Step 1: Write the proportion equation
   122,742.72 : 184,138.56 = 43,868.16 : x
2. Step 2: Convert to fraction form
   122,742.72/184,138.56 = 43,868.16/x
3. Step 3: Cross multiply
   122,742.72x = 184,138.56 × 43,868.16
4. Step 4: Simplify right side
   122,742.72x = 8,077,819,812.25
5. Step 5: Solve for x
   x = 8,077,819,812.25/122,742.72
6. Step 6: Final answer
   x = 65,810.99