Finding the Fourth Proportional to 12,492,061.10, 17,503,057.30 and 12,492,061.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,492,061.10 : 17,503,057.30 = 12,492,061.10 : x
2. Step 2: Convert to fraction form
   12,492,061.10/17,503,057.30 = 12,492,061.10/x
3. Step 3: Cross multiply
   12,492,061.10x = 17,503,057.30 × 12,492,061.10
4. Step 4: Simplify right side
   12,492,061.10x = 218,649,261,228,401.03
5. Step 5: Solve for x
   x = 218,649,261,228,401.03/12,492,061.10
6. Step 6: Final answer
   x = 17,503,057.30