Finding the Fourth Proportional to 23,139,669.94, 31,932,052.47 and 12,685,328.73

Step by Step Solution

1. Step 1: Write the proportion equation
   23,139,669.94 : 31,932,052.47 = 12,685,328.73 : x
2. Step 2: Convert to fraction form
   23,139,669.94/31,932,052.47 = 12,685,328.73/x
3. Step 3: Cross multiply
   23,139,669.94x = 31,932,052.47 × 12,685,328.73
4. Step 4: Simplify right side
   23,139,669.94x = 405,068,582,605,558.44
5. Step 5: Solve for x
   x = 405,068,582,605,558.44/23,139,669.94
6. Step 6: Final answer
   x = 17,505,374.26