Finding the Fourth Proportional to 23,292,956.72, 32,144,407.80 and 13,509,200

Step by Step Solution

1. Step 1: Write the proportion equation
   23,292,956.72 : 32,144,407.80 = 13,509,200 : x
2. Step 2: Convert to fraction form
   23,292,956.72/32,144,407.80 = 13,509,200/x
3. Step 3: Cross multiply
   23,292,956.72x = 32,144,407.80 × 13,509,200
4. Step 4: Simplify right side
   23,292,956.72x = 434,245,233,851,760
5. Step 5: Solve for x
   x = 434,245,233,851,760/23,292,956.72
6. Step 6: Final answer
   x = 18,642,769.96