Finding the Fourth Proportional to 2,154,429.27, 2,973,111.67 and 1,187,575.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,429.27 : 2,973,111.67 = 1,187,575.71 : x
2. Step 2: Convert to fraction form
   2,154,429.27/2,973,111.67 = 1,187,575.71/x
3. Step 3: Cross multiply
   2,154,429.27x = 2,973,111.67 × 1,187,575.71
4. Step 4: Simplify right side
   2,154,429.27x = 3,530,795,199,440.60
5. Step 5: Solve for x
   x = 3,530,795,199,440.60/2,154,429.27
6. Step 6: Final answer
   x = 1,638,854.08