Finding the Fourth Proportional to 35,401.50, 48,854.40 and 19,486.07

Step by Step Solution

1. Step 1: Write the proportion equation
   35,401.50 : 48,854.40 = 19,486.07 : x
2. Step 2: Convert to fraction form
   35,401.50/48,854.40 = 19,486.07/x
3. Step 3: Cross multiply
   35,401.50x = 48,854.40 × 19,486.07
4. Step 4: Simplify right side
   35,401.50x = 951,979,916.51
5. Step 5: Solve for x
   x = 951,979,916.51/35,401.50
6. Step 6: Final answer
   x = 26,890.95