Finding the Fourth Proportional to 22,638,849.65, 31,244,435.70 and 12,852,462.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,638,849.65 : 31,244,435.70 = 12,852,462.05 : x
2. Step 2: Convert to fraction form
   22,638,849.65/31,244,435.70 = 12,852,462.05/x
3. Step 3: Cross multiply
   22,638,849.65x = 31,244,435.70 × 12,852,462.05
4. Step 4: Simplify right side
   22,638,849.65x = 401,567,923,903,496.25
5. Step 5: Solve for x
   x = 401,567,923,903,496.25/22,638,849.65
6. Step 6: Final answer
   x = 17,738,000.39