Finding the Fourth Proportional to 63,131.96, 94,686.72 and 21,007.88

Step by Step Solution

1. Step 1: Write the proportion equation
   63,131.96 : 94,686.72 = 21,007.88 : x
2. Step 2: Convert to fraction form
   63,131.96/94,686.72 = 21,007.88/x
3. Step 3: Cross multiply
   63,131.96x = 94,686.72 × 21,007.88
4. Step 4: Simplify right side
   63,131.96x = 1,989,167,251.35
5. Step 5: Solve for x
   x = 1,989,167,251.35/63,131.96
6. Step 6: Final answer
   x = 31,508.09