Finding the Fourth Proportional to 34,643.89, 47,805.22 and 19,538.91

Step by Step Solution

1. Step 1: Write the proportion equation
   34,643.89 : 47,805.22 = 19,538.91 : x
2. Step 2: Convert to fraction form
   34,643.89/47,805.22 = 19,538.91/x
3. Step 3: Cross multiply
   34,643.89x = 47,805.22 × 19,538.91
4. Step 4: Simplify right side
   34,643.89x = 934,061,961.78
5. Step 5: Solve for x
   x = 934,061,961.78/34,643.89
6. Step 6: Final answer
   x = 26,961.81