Finding the Fourth Proportional to 21,566,821.49, 32,314,359.96 and 15,163,646.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,566,821.49 : 32,314,359.96 = 15,163,646.34 : x
2. Step 2: Convert to fraction form
   21,566,821.49/32,314,359.96 = 15,163,646.34/x
3. Step 3: Cross multiply
   21,566,821.49x = 32,314,359.96 × 15,163,646.34
4. Step 4: Simplify right side
   21,566,821.49x = 490,003,526,061,078.31
5. Step 5: Solve for x
   x = 490,003,526,061,078.31/21,566,821.49
6. Step 6: Final answer
   x = 22,720,247.69