Finding the Fourth Proportional to 2,870,832.76, 4,307,091.28 and 849,130

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870,832.76 : 4,307,091.28 = 849,130 : x
2. Step 2: Convert to fraction form
   2,870,832.76/4,307,091.28 = 849,130/x
3. Step 3: Cross multiply
   2,870,832.76x = 4,307,091.28 × 849,130
4. Step 4: Simplify right side
   2,870,832.76x = 3,657,280,418,586.40
5. Step 5: Solve for x
   x = 3,657,280,418,586.40/2,870,832.76
6. Step 6: Final answer
   x = 1,273,944.09