Finding the Fourth Proportional to 2,152,158.73, 2,970,113.30 and 1,185,288.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,158.73 : 2,970,113.30 = 1,185,288.77 : x
2. Step 2: Convert to fraction form
   2,152,158.73/2,970,113.30 = 1,185,288.77/x
3. Step 3: Cross multiply
   2,152,158.73x = 2,970,113.30 × 1,185,288.77
4. Step 4: Simplify right side
   2,152,158.73x = 3,520,441,940,117.64
5. Step 5: Solve for x
   x = 3,520,441,940,117.64/2,152,158.73
6. Step 6: Final answer
   x = 1,635,772.44