Finding the Fourth Proportional to 17,631,300.21, 26,434,876.62 and 8,978,651.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,631,300.21 : 26,434,876.62 = 8,978,651.61 : x
2. Step 2: Convert to fraction form
   17,631,300.21/26,434,876.62 = 8,978,651.61/x
3. Step 3: Cross multiply
   17,631,300.21x = 26,434,876.62 × 8,978,651.61
4. Step 4: Simplify right side
   17,631,300.21x = 237,349,547,524,314.34
5. Step 5: Solve for x
   x = 237,349,547,524,314.34/17,631,300.21
6. Step 6: Final answer
   x = 13,461,828.95