Finding the Fourth Proportional to 42,084.45, 63,082.29 and 13,996.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,084.45 : 63,082.29 = 13,996.98 : x
2. Step 2: Convert to fraction form
   42,084.45/63,082.29 = 13,996.98/x
3. Step 3: Cross multiply
   42,084.45x = 63,082.29 × 13,996.98
4. Step 4: Simplify right side
   42,084.45x = 882,961,551.48
5. Step 5: Solve for x
   x = 882,961,551.48/42,084.45
6. Step 6: Final answer
   x = 20,980.71