Finding the Fourth Proportional to 42,308.19, 63,463.50 and 12,722.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,308.19 : 63,463.50 = 12,722.94 : x
2. Step 2: Convert to fraction form
   42,308.19/63,463.50 = 12,722.94/x
3. Step 3: Cross multiply
   42,308.19x = 63,463.50 × 12,722.94
4. Step 4: Simplify right side
   42,308.19x = 807,442,302.69
5. Step 5: Solve for x
   x = 807,442,302.69/42,308.19
6. Step 6: Final answer
   x = 19,084.78