Finding the Fourth Proportional to 23,123,440.46, 31,902,492.01 and 13,193,189.35

Step by Step Solution

1. Step 1: Write the proportion equation
   23,123,440.46 : 31,902,492.01 = 13,193,189.35 : x
2. Step 2: Convert to fraction form
   23,123,440.46/31,902,492.01 = 13,193,189.35/x
3. Step 3: Cross multiply
   23,123,440.46x = 31,902,492.01 × 13,193,189.35
4. Step 4: Simplify right side
   23,123,440.46x = 420,895,617,712,052.88
5. Step 5: Solve for x
   x = 420,895,617,712,052.88/23,123,440.46
6. Step 6: Final answer
   x = 18,202,119.12