Finding the Fourth Proportional to 42,425.52, 63,666.72 and 19,053.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,425.52 : 63,666.72 = 19,053.60 : x
2. Step 2: Convert to fraction form
   42,425.52/63,666.72 = 19,053.60/x
3. Step 3: Cross multiply
   42,425.52x = 63,666.72 × 19,053.60
4. Step 4: Simplify right side
   42,425.52x = 1,213,080,216.19
5. Step 5: Solve for x
   x = 1,213,080,216.19/42,425.52
6. Step 6: Final answer
   x = 28,593.17