Finding the Fourth Proportional to 2,672,979.90, 3,688,667.55 and 1,511,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672,979.90 : 3,688,667.55 = 1,511,407.50 : x
2. Step 2: Convert to fraction form
   2,672,979.90/3,688,667.55 = 1,511,407.50/x
3. Step 3: Cross multiply
   2,672,979.90x = 3,688,667.55 × 1,511,407.50
4. Step 4: Simplify right side
   2,672,979.90x = 5,575,079,800,076.63
5. Step 5: Solve for x
   x = 5,575,079,800,076.63/2,672,979.90
6. Step 6: Final answer
   x = 2,085,717.07