Finding the Fourth Proportional to 42,835.98, 64,253.94 and 19,446

Step by Step Solution

1. Step 1: Write the proportion equation
   42,835.98 : 64,253.94 = 19,446 : x
2. Step 2: Convert to fraction form
   42,835.98/64,253.94 = 19,446/x
3. Step 3: Cross multiply
   42,835.98x = 64,253.94 × 19,446
4. Step 4: Simplify right side
   42,835.98x = 1,249,482,117.24
5. Step 5: Solve for x
   x = 1,249,482,117.24/42,835.98
6. Step 6: Final answer
   x = 29,168.99