Finding the Fourth Proportional to 21,638,628.16, 32,429,680.73 and 16,502,250.89

Step by Step Solution

1. Step 1: Write the proportion equation
   21,638,628.16 : 32,429,680.73 = 16,502,250.89 : x
2. Step 2: Convert to fraction form
   21,638,628.16/32,429,680.73 = 16,502,250.89/x
3. Step 3: Cross multiply
   21,638,628.16x = 32,429,680.73 × 16,502,250.89
4. Step 4: Simplify right side
   21,638,628.16x = 535,162,727,749,504.75
5. Step 5: Solve for x
   x = 535,162,727,749,504.75/21,638,628.16
6. Step 6: Final answer
   x = 24,731,823.29