Finding the Fourth Proportional to 17,978,461.38, 26,986,883.10 and 7,748,369.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978,461.38 : 26,986,883.10 = 7,748,369.82 : x
2. Step 2: Convert to fraction form
   17,978,461.38/26,986,883.10 = 7,748,369.82/x
3. Step 3: Cross multiply
   17,978,461.38x = 26,986,883.10 × 7,748,369.82
4. Step 4: Simplify right side
   17,978,461.38x = 209,104,350,547,908.06
5. Step 5: Solve for x
   x = 209,104,350,547,908.06/17,978,461.38
6. Step 6: Final answer
   x = 11,630,825.69