Finding the Fourth Proportional to 63,111.93, 94,647.34 and 20,980.71

Step by Step Solution

1. Step 1: Write the proportion equation
   63,111.93 : 94,647.34 = 20,980.71 : x
2. Step 2: Convert to fraction form
   63,111.93/94,647.34 = 20,980.71/x
3. Step 3: Cross multiply
   63,111.93x = 94,647.34 × 20,980.71
4. Step 4: Simplify right side
   63,111.93x = 1,985,768,392.81
5. Step 5: Solve for x
   x = 1,985,768,392.81/63,111.93
6. Step 6: Final answer
   x = 31,464.23