Finding the Fourth Proportional to 35,736,573.29, 53,469,586.98 and 21,171,310.18

Step by Step Solution

1. Step 1: Write the proportion equation
   35,736,573.29 : 53,469,586.98 = 21,171,310.18 : x
2. Step 2: Convert to fraction form
   35,736,573.29/53,469,586.98 = 21,171,310.18/x
3. Step 3: Cross multiply
   35,736,573.29x = 53,469,586.98 × 21,171,310.18
4. Step 4: Simplify right side
   35,736,573.29x = 1,132,021,211,150,069.25
5. Step 5: Solve for x
   x = 1,132,021,211,150,069.25/35,736,573.29
6. Step 6: Final answer
   x = 31,676,825.92