Finding the Fourth Proportional to 1,345,890.72, 2,019,273.48 and 898,430.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,890.72 : 2,019,273.48 = 898,430.52 : x
2. Step 2: Convert to fraction form
   1,345,890.72/2,019,273.48 = 898,430.52/x
3. Step 3: Cross multiply
   1,345,890.72x = 2,019,273.48 × 898,430.52
4. Step 4: Simplify right side
   1,345,890.72x = 1,814,176,922,658.61
5. Step 5: Solve for x
   x = 1,814,176,922,658.61/1,345,890.72
6. Step 6: Final answer
   x = 1,347,937.76