Finding the Fourth Proportional to 5,429,402.67, 8,131,700.56 and 2,591,507.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429,402.67 : 8,131,700.56 = 2,591,507.73 : x
2. Step 2: Convert to fraction form
   5,429,402.67/8,131,700.56 = 2,591,507.73/x
3. Step 3: Cross multiply
   5,429,402.67x = 8,131,700.56 × 2,591,507.73
4. Step 4: Simplify right side
   5,429,402.67x = 21,073,364,859,285.33
5. Step 5: Solve for x
   x = 21,073,364,859,285.33/5,429,402.67
6. Step 6: Final answer
   x = 3,881,341.31