Finding the Fourth Proportional to 5,189,539.30, 7,784,290.59 and 1,403,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,189,539.30 : 7,784,290.59 = 1,403,021.50 : x
2. Step 2: Convert to fraction form
   5,189,539.30/7,784,290.59 = 1,403,021.50/x
3. Step 3: Cross multiply
   5,189,539.30x = 7,784,290.59 × 1,403,021.50
4. Step 4: Simplify right side
   5,189,539.30x = 10,921,527,060,017.69
5. Step 5: Solve for x
   x = 10,921,527,060,017.69/5,189,539.30
6. Step 6: Final answer
   x = 2,104,527.29