Finding the Fourth Proportional to 34,888.50, 48,145.89 and 18,972.91

Step by Step Solution

1. Step 1: Write the proportion equation
   34,888.50 : 48,145.89 = 18,972.91 : x
2. Step 2: Convert to fraction form
   34,888.50/48,145.89 = 18,972.91/x
3. Step 3: Cross multiply
   34,888.50x = 48,145.89 × 18,972.91
4. Step 4: Simplify right side
   34,888.50x = 913,467,633.76
5. Step 5: Solve for x
   x = 913,467,633.76/34,888.50
6. Step 6: Final answer
   x = 26,182.49