Finding the Fourth Proportional to 31,140,745.42, 42,965,599.42 and 17,909,201.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,140,745.42 : 42,965,599.42 = 17,909,201.02 : x
2. Step 2: Convert to fraction form
   31,140,745.42/42,965,599.42 = 17,909,201.02/x
3. Step 3: Cross multiply
   31,140,745.42x = 42,965,599.42 × 17,909,201.02
4. Step 4: Simplify right side
   31,140,745.42x = 769,479,556,957,575.38
5. Step 5: Solve for x
   x = 769,479,556,957,575.38/31,140,745.42
6. Step 6: Final answer
   x = 24,709,734.68