Finding the Fourth Proportional to 69,116.84, 103,693.37 and 21,730.02

Step by Step Solution

1. Step 1: Write the proportion equation
   69,116.84 : 103,693.37 = 21,730.02 : x
2. Step 2: Convert to fraction form
   69,116.84/103,693.37 = 21,730.02/x
3. Step 3: Cross multiply
   69,116.84x = 103,693.37 × 21,730.02
4. Step 4: Simplify right side
   69,116.84x = 2,253,258,506.47
5. Step 5: Solve for x
   x = 2,253,258,506.47/69,116.84
6. Step 6: Final answer
   x = 32,600.72