Finding the Fourth Proportional to 23,150,536.77, 31,948,327.35 and 12,696,969.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,150,536.77 : 31,948,327.35 = 12,696,969.32 : x
2. Step 2: Convert to fraction form
   23,150,536.77/31,948,327.35 = 12,696,969.32/x
3. Step 3: Cross multiply
   23,150,536.77x = 31,948,327.35 × 12,696,969.32
4. Step 4: Simplify right side
   23,150,536.77x = 405,646,932,028,525.25
5. Step 5: Solve for x
   x = 405,646,932,028,525.25/23,150,536.77
6. Step 6: Final answer
   x = 17,522,139.38