Finding the Fourth Proportional to 84,828.27, 117,036.76 and 49,005.21

Step by Step Solution

1. Step 1: Write the proportion equation
   84,828.27 : 117,036.76 = 49,005.21 : x
2. Step 2: Convert to fraction form
   84,828.27/117,036.76 = 49,005.21/x
3. Step 3: Cross multiply
   84,828.27x = 117,036.76 × 49,005.21
4. Step 4: Simplify right side
   84,828.27x = 5,735,411,001.52
5. Step 5: Solve for x
   x = 5,735,411,001.52/84,828.27
6. Step 6: Final answer
   x = 67,612.02