Finding the Fourth Proportional to 34,526.30, 47,648.79 and 21,100.10

Step by Step Solution

1. Step 1: Write the proportion equation
   34,526.30 : 47,648.79 = 21,100.10 : x
2. Step 2: Convert to fraction form
   34,526.30/47,648.79 = 21,100.10/x
3. Step 3: Cross multiply
   34,526.30x = 47,648.79 × 21,100.10
4. Step 4: Simplify right side
   34,526.30x = 1,005,393,995.64
5. Step 5: Solve for x
   x = 1,005,393,995.64/34,526.30
6. Step 6: Final answer
   x = 29,119.66