Finding the Fourth Proportional to 84,607.36, 116,742.72 and 51,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   84,607.36 : 116,742.72 = 51,061.12 : x
2. Step 2: Convert to fraction form
   84,607.36/116,742.72 = 51,061.12/x
3. Step 3: Cross multiply
   84,607.36x = 116,742.72 × 51,061.12
4. Step 4: Simplify right side
   84,607.36x = 5,961,014,035.05
5. Step 5: Solve for x
   x = 5,961,014,035.05/84,607.36
6. Step 6: Final answer
   x = 70,455.03