Finding the Fourth Proportional to 21,730,118.58, 29,985,808.50 and 12,563,351.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,730,118.58 : 29,985,808.50 = 12,563,351.82 : x
2. Step 2: Convert to fraction form
   21,730,118.58/29,985,808.50 = 12,563,351.82/x
3. Step 3: Cross multiply
   21,730,118.58x = 29,985,808.50 × 12,563,351.82
4. Step 4: Simplify right side
   21,730,118.58x = 376,722,261,792,646.50
5. Step 5: Solve for x
   x = 376,722,261,792,646.50/21,730,118.58
6. Step 6: Final answer
   x = 17,336,410.77