Finding the Fourth Proportional to 42,501.31, 63,738.39 and 14,031.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,501.31 : 63,738.39 = 14,031.93 : x
2. Step 2: Convert to fraction form
   42,501.31/63,738.39 = 14,031.93/x
3. Step 3: Cross multiply
   42,501.31x = 63,738.39 × 14,031.93
4. Step 4: Simplify right side
   42,501.31x = 894,372,918.43
5. Step 5: Solve for x
   x = 894,372,918.43/42,501.31
6. Step 6: Final answer
   x = 21,043.42