Finding the Fourth Proportional to 1,156,116.48, 1,595,502.72 and 646,788.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156,116.48 : 1,595,502.72 = 646,788.48 : x
2. Step 2: Convert to fraction form
   1,156,116.48/1,595,502.72 = 646,788.48/x
3. Step 3: Cross multiply
   1,156,116.48x = 1,595,502.72 × 646,788.48
4. Step 4: Simplify right side
   1,156,116.48x = 1,031,952,779,104.67
5. Step 5: Solve for x
   x = 1,031,952,779,104.67/1,156,116.48
6. Step 6: Final answer
   x = 892,602.78