Finding the Fourth Proportional to 14,345.94, 21,510.63 and 5,570.61

Step by Step Solution

1. Step 1: Write the proportion equation
   14,345.94 : 21,510.63 = 5,570.61 : x
2. Step 2: Convert to fraction form
   14,345.94/21,510.63 = 5,570.61/x
3. Step 3: Cross multiply
   14,345.94x = 21,510.63 × 5,570.61
4. Step 4: Simplify right side
   14,345.94x = 119,827,330.58
5. Step 5: Solve for x
   x = 119,827,330.58/14,345.94
6. Step 6: Final answer
   x = 8,352.70