Finding the Fourth Proportional to 42,419.03, 63,602.37 and 14,336.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,419.03 : 63,602.37 = 14,336.42 : x
2. Step 2: Convert to fraction form
   42,419.03/63,602.37 = 14,336.42/x
3. Step 3: Cross multiply
   42,419.03x = 63,602.37 × 14,336.42
4. Step 4: Simplify right side
   42,419.03x = 911,829,971.30
5. Step 5: Solve for x
   x = 911,829,971.30/42,419.03
6. Step 6: Final answer
   x = 21,495.78