Finding the Fourth Proportional to 42,419.10, 63,584.90 and 19,061.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,419.10 : 63,584.90 = 19,061.94 : x
2. Step 2: Convert to fraction form
   42,419.10/63,584.90 = 19,061.94/x
3. Step 3: Cross multiply
   42,419.10x = 63,584.90 × 19,061.94
4. Step 4: Simplify right side
   42,419.10x = 1,212,051,548.71
5. Step 5: Solve for x
   x = 1,212,051,548.71/42,419.10
6. Step 6: Final answer
   x = 28,573.25