Finding the Fourth Proportional to 2,380,256.99, 3,569,627.31 and 782,451.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380,256.99 : 3,569,627.31 = 782,451.80 : x
2. Step 2: Convert to fraction form
   2,380,256.99/3,569,627.31 = 782,451.80/x
3. Step 3: Cross multiply
   2,380,256.99x = 3,569,627.31 × 782,451.80
4. Step 4: Simplify right side
   2,380,256.99x = 2,793,061,314,038.66
5. Step 5: Solve for x
   x = 2,793,061,314,038.66/2,380,256.99
6. Step 6: Final answer
   x = 1,173,428.47