Finding the Fourth Proportional to 1,129,140, 1,689,456.15 and 792,845.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,140 : 1,689,456.15 = 792,845.01 : x
2. Step 2: Convert to fraction form
   1,129,140/1,689,456.15 = 792,845.01/x
3. Step 3: Cross multiply
   1,129,140x = 1,689,456.15 × 792,845.01
4. Step 4: Simplify right side
   1,129,140x = 1,339,476,878,141.31
5. Step 5: Solve for x
   x = 1,339,476,878,141.31/1,129,140
6. Step 6: Final answer
   x = 1,186,280.60