Finding the Fourth Proportional to 22,948.89, 31,669.47 and 12,875.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,948.89 : 31,669.47 = 12,875.94 : x
2. Step 2: Convert to fraction form
   22,948.89/31,669.47 = 12,875.94/x
3. Step 3: Cross multiply
   22,948.89x = 31,669.47 × 12,875.94
4. Step 4: Simplify right side
   22,948.89x = 407,774,195.55
5. Step 5: Solve for x
   x = 407,774,195.55/22,948.89
6. Step 6: Final answer
   x = 17,768.80