Finding the Fourth Proportional to 69,303.48, 103,968.03 and 21,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,303.48 : 103,968.03 = 21,930.50 : x
2. Step 2: Convert to fraction form
   69,303.48/103,968.03 = 21,930.50/x
3. Step 3: Cross multiply
   69,303.48x = 103,968.03 × 21,930.50
4. Step 4: Simplify right side
   69,303.48x = 2,280,070,362.07
5. Step 5: Solve for x
   x = 2,280,070,362.07/69,303.48
6. Step 6: Final answer
   x = 32,899.80