Finding the Fourth Proportional to 42,066.20, 63,097.88 and 10,476.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,066.20 : 63,097.88 = 10,476.20 : x
2. Step 2: Convert to fraction form
   42,066.20/63,097.88 = 10,476.20/x
3. Step 3: Cross multiply
   42,066.20x = 63,097.88 × 10,476.20
4. Step 4: Simplify right side
   42,066.20x = 661,026,010.46
5. Step 5: Solve for x
   x = 661,026,010.46/42,066.20
6. Step 6: Final answer
   x = 15,713.95