Finding the Fourth Proportional to 2,073,164.32, 2,860,856.40 and 1,167,688

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073,164.32 : 2,860,856.40 = 1,167,688 : x
2. Step 2: Convert to fraction form
   2,073,164.32/2,860,856.40 = 1,167,688/x
3. Step 3: Cross multiply
   2,073,164.32x = 2,860,856.40 × 1,167,688
4. Step 4: Simplify right side
   2,073,164.32x = 3,340,587,688,003.20
5. Step 5: Solve for x
   x = 3,340,587,688,003.20/2,073,164.32
6. Step 6: Final answer
   x = 1,611,347.28