Finding the Fourth Proportional to 34,830.30, 48,066.90 and 19,722.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,830.30 : 48,066.90 = 19,722.72 : x
2. Step 2: Convert to fraction form
   34,830.30/48,066.90 = 19,722.72/x
3. Step 3: Cross multiply
   34,830.30x = 48,066.90 × 19,722.72
4. Step 4: Simplify right side
   34,830.30x = 948,010,009.97
5. Step 5: Solve for x
   x = 948,010,009.97/34,830.30
6. Step 6: Final answer
   x = 27,217.97