Finding the Fourth Proportional to 34,085.93, 47,007.47 and 21,488.81

Step by Step Solution

1. Step 1: Write the proportion equation
   34,085.93 : 47,007.47 = 21,488.81 : x
2. Step 2: Convert to fraction form
   34,085.93/47,007.47 = 21,488.81/x
3. Step 3: Cross multiply
   34,085.93x = 47,007.47 × 21,488.81
4. Step 4: Simplify right side
   34,085.93x = 1,010,134,410.10
5. Step 5: Solve for x
   x = 1,010,134,410.10/34,085.93
6. Step 6: Final answer
   x = 29,634.94