Finding the Fourth Proportional to 17,424,144.50, 26,059,715.48 and 15,518,480.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,424,144.50 : 26,059,715.48 = 15,518,480.18 : x
2. Step 2: Convert to fraction form
   17,424,144.50/26,059,715.48 = 15,518,480.18/x
3. Step 3: Cross multiply
   17,424,144.50x = 26,059,715.48 × 15,518,480.18
4. Step 4: Simplify right side
   17,424,144.50x = 404,407,178,081,316.88
5. Step 5: Solve for x
   x = 404,407,178,081,316.88/17,424,144.50
6. Step 6: Final answer
   x = 23,209,585.88