Finding the Fourth Proportional to 14,068.16, 19,415.04 and 7,781.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,068.16 : 19,415.04 = 7,781.12 : x
2. Step 2: Convert to fraction form
   14,068.16/19,415.04 = 7,781.12/x
3. Step 3: Cross multiply
   14,068.16x = 19,415.04 × 7,781.12
4. Step 4: Simplify right side
   14,068.16x = 151,070,756.04
5. Step 5: Solve for x
   x = 151,070,756.04/14,068.16
6. Step 6: Final answer
   x = 10,738.49