Finding the Fourth Proportional to 34,288.05, 47,321.87 and 19,181.55

Step by Step Solution

1. Step 1: Write the proportion equation
   34,288.05 : 47,321.87 = 19,181.55 : x
2. Step 2: Convert to fraction form
   34,288.05/47,321.87 = 19,181.55/x
3. Step 3: Cross multiply
   34,288.05x = 47,321.87 × 19,181.55
4. Step 4: Simplify right side
   34,288.05x = 907,706,719.59
5. Step 5: Solve for x
   x = 907,706,719.59/34,288.05
6. Step 6: Final answer
   x = 26,472.98