Finding the Fourth Proportional to 34,264.07, 51,389 and 13,196.87

Step by Step Solution

1. Step 1: Write the proportion equation
   34,264.07 : 51,389 = 13,196.87 : x
2. Step 2: Convert to fraction form
   34,264.07/51,389 = 13,196.87/x
3. Step 3: Cross multiply
   34,264.07x = 51,389 × 13,196.87
4. Step 4: Simplify right side
   34,264.07x = 678,173,952.43
5. Step 5: Solve for x
   x = 678,173,952.43/34,264.07
6. Step 6: Final answer
   x = 19,792.57