Finding the Fourth Proportional to 83,280.71, 124,720.89 and 47,634.00

Step by Step Solution

1. Step 1: Write the proportion equation
   83,280.71 : 124,720.89 = 47,634.00 : x
2. Step 2: Convert to fraction form
   83,280.71/124,720.89 = 47,634.00/x
3. Step 3: Cross multiply
   83,280.71x = 124,720.89 × 47,634.00
4. Step 4: Simplify right side
   83,280.71x = 5,940,954,741.09
5. Step 5: Solve for x
   x = 5,940,954,741.09/83,280.71
6. Step 6: Final answer
   x = 71,336.50