Finding the Fourth Proportional to 21,528,819.50, 29,685,636.34 and 17,596,374.80

Step by Step Solution

1. Step 1: Write the proportion equation
   21,528,819.50 : 29,685,636.34 = 17,596,374.80 : x
2. Step 2: Convert to fraction form
   21,528,819.50/29,685,636.34 = 17,596,374.80/x
3. Step 3: Cross multiply
   21,528,819.50x = 29,685,636.34 × 17,596,374.80
4. Step 4: Simplify right side
   21,528,819.50x = 522,359,583,022,721.12
5. Step 5: Solve for x
   x = 522,359,583,022,721.12/21,528,819.50
6. Step 6: Final answer
   x = 24,263,271.06