Finding the Fourth Proportional to 1,273,002.31, 1,757,572.47 and 790,276.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273,002.31 : 1,757,572.47 = 790,276.72 : x
2. Step 2: Convert to fraction form
   1,273,002.31/1,757,572.47 = 790,276.72/x
3. Step 3: Cross multiply
   1,273,002.31x = 1,757,572.47 × 790,276.72
4. Step 4: Simplify right side
   1,273,002.31x = 1,388,968,606,753.90
5. Step 5: Solve for x
   x = 1,388,968,606,753.90/1,273,002.31
6. Step 6: Final answer
   x = 1,091,096.69