Finding the Fourth Proportional to 42,183, 63,274.60 and 12,598.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,183 : 63,274.60 = 12,598.52 : x
2. Step 2: Convert to fraction form
   42,183/63,274.60 = 12,598.52/x
3. Step 3: Cross multiply
   42,183x = 63,274.60 × 12,598.52
4. Step 4: Simplify right side
   42,183x = 797,166,313.59
5. Step 5: Solve for x
   x = 797,166,313.59/42,183
6. Step 6: Final answer
   x = 18,897.81