Finding the Fourth Proportional to 2,553,345.89, 3,523,511.24 and 1,391,766.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553,345.89 : 3,523,511.24 = 1,391,766.57 : x
2. Step 2: Convert to fraction form
   2,553,345.89/3,523,511.24 = 1,391,766.57/x
3. Step 3: Cross multiply
   2,553,345.89x = 3,523,511.24 × 1,391,766.57
4. Step 4: Simplify right side
   2,553,345.89x = 4,903,905,151,111.54
5. Step 5: Solve for x
   x = 4,903,905,151,111.54/2,553,345.89
6. Step 6: Final answer
   x = 1,920,580.04