Finding the Fourth Proportional to 31,097.28, 42,914.70 and 19,153.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,097.28 : 42,914.70 = 19,153.83 : x
2. Step 2: Convert to fraction form
   31,097.28/42,914.70 = 19,153.83/x
3. Step 3: Cross multiply
   31,097.28x = 42,914.70 × 19,153.83
4. Step 4: Simplify right side
   31,097.28x = 821,980,868.30
5. Step 5: Solve for x
   x = 821,980,868.30/31,097.28
6. Step 6: Final answer
   x = 26,432.56