Finding the Fourth Proportional to 5,140,144.72, 7,702,105.87 and 1,897,218.87

Step by Step Solution

1. Step 1: Write the proportion equation
   5,140,144.72 : 7,702,105.87 = 1,897,218.87 : x
2. Step 2: Convert to fraction form
   5,140,144.72/7,702,105.87 = 1,897,218.87/x
3. Step 3: Cross multiply
   5,140,144.72x = 7,702,105.87 × 1,897,218.87
4. Step 4: Simplify right side
   5,140,144.72x = 14,612,580,595,301.77
5. Step 5: Solve for x
   x = 14,612,580,595,301.77/5,140,144.72
6. Step 6: Final answer
   x = 2,842,834.47