Finding the Fourth Proportional to 42,130.84, 63,196.06 and 10,966.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,130.84 : 63,196.06 = 10,966.04 : x
2. Step 2: Convert to fraction form
   42,130.84/63,196.06 = 10,966.04/x
3. Step 3: Cross multiply
   42,130.84x = 63,196.06 × 10,966.04
4. Step 4: Simplify right side
   42,130.84x = 693,010,521.80
5. Step 5: Solve for x
   x = 693,010,521.80/42,130.84
6. Step 6: Final answer
   x = 16,449.01