Finding the Fourth Proportional to 23,123,626.02, 31,908,029.31 and 12,807,765.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,123,626.02 : 31,908,029.31 = 12,807,765.72 : x
2. Step 2: Convert to fraction form
   23,123,626.02/31,908,029.31 = 12,807,765.72/x
3. Step 3: Cross multiply
   23,123,626.02x = 31,908,029.31 × 12,807,765.72
4. Step 4: Simplify right side
   23,123,626.02x = 408,670,563,989,373.25
5. Step 5: Solve for x
   x = 408,670,563,989,373.25/23,123,626.02
6. Step 6: Final answer
   x = 17,673,290.67