Finding the Fourth Proportional to 3,172,362.18, 4,377,865.35 and 1,722,058.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,172,362.18 : 4,377,865.35 = 1,722,058.59 : x
2. Step 2: Convert to fraction form
   3,172,362.18/4,377,865.35 = 1,722,058.59/x
3. Step 3: Cross multiply
   3,172,362.18x = 4,377,865.35 × 1,722,058.59
4. Step 4: Simplify right side
   3,172,362.18x = 7,538,940,631,830.86
5. Step 5: Solve for x
   x = 7,538,940,631,830.86/3,172,362.18
6. Step 6: Final answer
   x = 2,376,443.86