Finding the Fourth Proportional to 34,111.12, 47,060.30 and 21,359.02

Step by Step Solution

1. Step 1: Write the proportion equation
   34,111.12 : 47,060.30 = 21,359.02 : x
2. Step 2: Convert to fraction form
   34,111.12/47,060.30 = 21,359.02/x
3. Step 3: Cross multiply
   34,111.12x = 47,060.30 × 21,359.02
4. Step 4: Simplify right side
   34,111.12x = 1,005,161,888.91
5. Step 5: Solve for x
   x = 1,005,161,888.91/34,111.12
6. Step 6: Final answer
   x = 29,467.28