Finding the Fourth Proportional to 23,101.84, 31,888.73 and 13,670.38

Step by Step Solution

1. Step 1: Write the proportion equation
   23,101.84 : 31,888.73 = 13,670.38 : x
2. Step 2: Convert to fraction form
   23,101.84/31,888.73 = 13,670.38/x
3. Step 3: Cross multiply
   23,101.84x = 31,888.73 × 13,670.38
4. Step 4: Simplify right side
   23,101.84x = 435,931,056.82
5. Step 5: Solve for x
   x = 435,931,056.82/23,101.84
6. Step 6: Final answer
   x = 18,869.97