Finding the Fourth Proportional to 4,981,667.94, 7,472,509.20 and 1,387,445.22

Step by Step Solution

1. Step 1: Write the proportion equation
   4,981,667.94 : 7,472,509.20 = 1,387,445.22 : x
2. Step 2: Convert to fraction form
   4,981,667.94/7,472,509.20 = 1,387,445.22/x
3. Step 3: Cross multiply
   4,981,667.94x = 7,472,509.20 × 1,387,445.22
4. Step 4: Simplify right side
   4,981,667.94x = 10,367,697,170,946.02
5. Step 5: Solve for x
   x = 10,367,697,170,946.02/4,981,667.94
6. Step 6: Final answer
   x = 2,081,169.86