Finding the Fourth Proportional to 63,189, 94,784.50 and 21,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,189 : 94,784.50 = 21,068.50 : x
2. Step 2: Convert to fraction form
   63,189/94,784.50 = 21,068.50/x
3. Step 3: Cross multiply
   63,189x = 94,784.50 × 21,068.50
4. Step 4: Simplify right side
   63,189x = 1,996,967,238.25
5. Step 5: Solve for x
   x = 1,996,967,238.25/63,189
6. Step 6: Final answer
   x = 31,603.08