Finding the Fourth Proportional to 12,928,042.35, 19,399,608.17 and 7,175,603.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,928,042.35 : 19,399,608.17 = 7,175,603.58 : x
2. Step 2: Convert to fraction form
   12,928,042.35/19,399,608.17 = 7,175,603.58/x
3. Step 3: Cross multiply
   12,928,042.35x = 19,399,608.17 × 7,175,603.58
4. Step 4: Simplify right side
   12,928,042.35x = 139,203,897,799,371.22
5. Step 5: Solve for x
   x = 139,203,897,799,371.22/12,928,042.35
6. Step 6: Final answer
   x = 10,767,592.96