Finding the Fourth Proportional to 12,996.86, 19,501.76 and 4,678.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,996.86 : 19,501.76 = 4,678.76 : x
2. Step 2: Convert to fraction form
   12,996.86/19,501.76 = 4,678.76/x
3. Step 3: Cross multiply
   12,996.86x = 19,501.76 × 4,678.76
4. Step 4: Simplify right side
   12,996.86x = 91,244,115.07
5. Step 5: Solve for x
   x = 91,244,115.07/12,996.86
6. Step 6: Final answer
   x = 7,020.48