Finding the Fourth Proportional to 22,637,131.50, 31,237,447.95 and 12,847,575.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,637,131.50 : 31,237,447.95 = 12,847,575.18 : x
2. Step 2: Convert to fraction form
   22,637,131.50/31,237,447.95 = 12,847,575.18/x
3. Step 3: Cross multiply
   22,637,131.50x = 31,237,447.95 × 12,847,575.18
4. Step 4: Simplify right side
   22,637,131.50x = 401,325,460,968,961.88
5. Step 5: Solve for x
   x = 401,325,460,968,961.88/22,637,131.50
6. Step 6: Final answer
   x = 17,728,635.85