Finding the Fourth Proportional to 69,303.42, 103,967.96 and 21,930.42

Step by Step Solution

1. Step 1: Write the proportion equation
   69,303.42 : 103,967.96 = 21,930.42 : x
2. Step 2: Convert to fraction form
   69,303.42/103,967.96 = 21,930.42/x
3. Step 3: Cross multiply
   69,303.42x = 103,967.96 × 21,930.42
4. Step 4: Simplify right side
   69,303.42x = 2,280,060,919.69
5. Step 5: Solve for x
   x = 2,280,060,919.69/69,303.42
6. Step 6: Final answer
   x = 32,899.69