Finding the Fourth Proportional to 2,071,626.72, 2,859,117.36 and 1,166,385.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071,626.72 : 2,859,117.36 = 1,166,385.12 : x
2. Step 2: Convert to fraction form
   2,071,626.72/2,859,117.36 = 1,166,385.12/x
3. Step 3: Cross multiply
   2,071,626.72x = 2,859,117.36 × 1,166,385.12
4. Step 4: Simplify right side
   2,071,626.72x = 3,334,831,945,037.68
5. Step 5: Solve for x
   x = 3,334,831,945,037.68/2,071,626.72
6. Step 6: Final answer
   x = 1,609,764.88