Finding the Fourth Proportional to 31,436.09, 47,124.83 and 21,580.01

Step by Step Solution

1. Step 1: Write the proportion equation
   31,436.09 : 47,124.83 = 21,580.01 : x
2. Step 2: Convert to fraction form
   31,436.09/47,124.83 = 21,580.01/x
3. Step 3: Cross multiply
   31,436.09x = 47,124.83 × 21,580.01
4. Step 4: Simplify right side
   31,436.09x = 1,016,953,959.12
5. Step 5: Solve for x
   x = 1,016,953,959.12/31,436.09
6. Step 6: Final answer
   x = 32,349.89