Finding the Fourth Proportional to 42,583.18, 63,884.15 and 13,003.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,583.18 : 63,884.15 = 13,003.33 : x
2. Step 2: Convert to fraction form
   42,583.18/63,884.15 = 13,003.33/x
3. Step 3: Cross multiply
   42,583.18x = 63,884.15 × 13,003.33
4. Step 4: Simplify right side
   42,583.18x = 830,706,684.22
5. Step 5: Solve for x
   x = 830,706,684.22/42,583.18
6. Step 6: Final answer
   x = 19,507.86