Finding the Fourth Proportional to 42,068.53, 63,089.15 and 13,981.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,068.53 : 63,089.15 = 13,981.04 : x
2. Step 2: Convert to fraction form
   42,068.53/63,089.15 = 13,981.04/x
3. Step 3: Cross multiply
   42,068.53x = 63,089.15 × 13,981.04
4. Step 4: Simplify right side
   42,068.53x = 882,051,929.72
5. Step 5: Solve for x
   x = 882,051,929.72/42,068.53
6. Step 6: Final answer
   x = 20,967.03