Finding the Fourth Proportional to 13,105,664.53, 19,661,334.42 and 5,018,640.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105,664.53 : 19,661,334.42 = 5,018,640.53 : x
2. Step 2: Convert to fraction form
   13,105,664.53/19,661,334.42 = 5,018,640.53/x
3. Step 3: Cross multiply
   13,105,664.53x = 19,661,334.42 × 5,018,640.53
4. Step 4: Simplify right side
   13,105,664.53x = 98,673,169,714,609.27
5. Step 5: Solve for x
   x = 98,673,169,714,609.27/13,105,664.53
6. Step 6: Final answer
   x = 7,529,047.42