Finding the Fourth Proportional to 2,128,609.94, 2,939,925.32 and 1,550,409.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,609.94 : 2,939,925.32 = 1,550,409.05 : x
2. Step 2: Convert to fraction form
   2,128,609.94/2,939,925.32 = 1,550,409.05/x
3. Step 3: Cross multiply
   2,128,609.94x = 2,939,925.32 × 1,550,409.05
4. Step 4: Simplify right side
   2,128,609.94x = 4,558,086,833,677.98
5. Step 5: Solve for x
   x = 4,558,086,833,677.98/2,128,609.94
6. Step 6: Final answer
   x = 2,141,344.34