Finding the Fourth Proportional to 17,128,196.86, 23,634,733.78 and 9,786,505.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,128,196.86 : 23,634,733.78 = 9,786,505.30 : x
2. Step 2: Convert to fraction form
   17,128,196.86/23,634,733.78 = 9,786,505.30/x
3. Step 3: Cross multiply
   17,128,196.86x = 23,634,733.78 × 9,786,505.30
4. Step 4: Simplify right side
   17,128,196.86x = 231,301,447,402,059.06
5. Step 5: Solve for x
   x = 231,301,447,402,059.06/17,128,196.86
6. Step 6: Final answer
   x = 13,504,132.94