Finding the Fourth Proportional to 9,523,329.05, 13,142,231.63 and 5,172,487.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,523,329.05 : 13,142,231.63 = 5,172,487.97 : x
2. Step 2: Convert to fraction form
   9,523,329.05/13,142,231.63 = 5,172,487.97/x
3. Step 3: Cross multiply
   9,523,329.05x = 13,142,231.63 × 5,172,487.97
4. Step 4: Simplify right side
   9,523,329.05x = 67,978,034,913,554.89
5. Step 5: Solve for x
   x = 67,978,034,913,554.89/9,523,329.05
6. Step 6: Final answer
   x = 7,138,053.78