Finding the Fourth Proportional to 39,496,078.72, 59,222,816.29 and 17,918,907.49

Step by Step Solution

1. Step 1: Write the proportion equation
   39,496,078.72 : 59,222,816.29 = 17,918,907.49 : x
2. Step 2: Convert to fraction form
   39,496,078.72/59,222,816.29 = 17,918,907.49/x
3. Step 3: Cross multiply
   39,496,078.72x = 59,222,816.29 × 17,918,907.49
4. Step 4: Simplify right side
   39,496,078.72x = 1,061,208,166,397,774.88
5. Step 5: Solve for x
   x = 1,061,208,166,397,774.88/39,496,078.72
6. Step 6: Final answer
   x = 26,868,696.86