Finding the Fourth Proportional to 12,946.11, 19,406.86 and 5,053.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,946.11 : 19,406.86 = 5,053.69 : x
2. Step 2: Convert to fraction form
   12,946.11/19,406.86 = 5,053.69/x
3. Step 3: Cross multiply
   12,946.11x = 19,406.86 × 5,053.69
4. Step 4: Simplify right side
   12,946.11x = 98,076,265.94
5. Step 5: Solve for x
   x = 98,076,265.94/12,946.11
6. Step 6: Final answer
   x = 7,575.73