Finding the Fourth Proportional to 39,033,456, 53,866,485.72 and 21,630,091.84

Step by Step Solution

1. Step 1: Write the proportion equation
   39,033,456 : 53,866,485.72 = 21,630,091.84 : x
2. Step 2: Convert to fraction form
   39,033,456/53,866,485.72 = 21,630,091.84/x
3. Step 3: Cross multiply
   39,033,456x = 53,866,485.72 × 21,630,091.84
4. Step 4: Simplify right side
   39,033,456x = 1,165,137,033,221,648.50
5. Step 5: Solve for x
   x = 1,165,137,033,221,648.50/39,033,456
6. Step 6: Final answer
   x = 29,849,702.09