Finding the Fourth Proportional to 69,116.31, 103,688.30 and 21,743.32

Step by Step Solution

1. Step 1: Write the proportion equation
   69,116.31 : 103,688.30 = 21,743.32 : x
2. Step 2: Convert to fraction form
   69,116.31/103,688.30 = 21,743.32/x
3. Step 3: Cross multiply
   69,116.31x = 103,688.30 × 21,743.32
4. Step 4: Simplify right side
   69,116.31x = 2,254,528,168.33
5. Step 5: Solve for x
   x = 2,254,528,168.33/69,116.31
6. Step 6: Final answer
   x = 32,619.34