Finding the Fourth Proportional to 23,034.51, 31,710.83 and 21,976.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,034.51 : 31,710.83 = 21,976.56 : x
2. Step 2: Convert to fraction form
   23,034.51/31,710.83 = 21,976.56/x
3. Step 3: Cross multiply
   23,034.51x = 31,710.83 × 21,976.56
4. Step 4: Simplify right side
   23,034.51x = 696,894,848.26
5. Step 5: Solve for x
   x = 696,894,848.26/23,034.51
6. Step 6: Final answer
   x = 30,254.38