Finding the Fourth Proportional to 42,053.37, 63,090.69 and 13,973.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,053.37 : 63,090.69 = 13,973.57 : x
2. Step 2: Convert to fraction form
   42,053.37/63,090.69 = 13,973.57/x
3. Step 3: Cross multiply
   42,053.37x = 63,090.69 × 13,973.57
4. Step 4: Simplify right side
   42,053.37x = 881,602,173.06
5. Step 5: Solve for x
   x = 881,602,173.06/42,053.37
6. Step 6: Final answer
   x = 20,963.89