Finding the Fourth Proportional to 18,141,343,502.72, 25,035,053,825.76 and 9,797,011,214.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,141,343,502.72 : 25,035,053,825.76 = 9,797,011,214.72 : x
2. Step 2: Convert to fraction form
   18,141,343,502.72/25,035,053,825.76 = 9,797,011,214.72/x
3. Step 3: Cross multiply
   18,141,343,502.72x = 25,035,053,825.76 × 9,797,011,214.72
4. Step 4: Simplify right side
   18,141,343,502.72x = 245,268,703,092,089,520,128
5. Step 5: Solve for x
   x = 245,268,703,092,089,520,128/18,141,343,502.72
6. Step 6: Final answer
   x = 13,519,875,363.99