Finding the Fourth Proportional to 3,409,300.58, 5,107,748.90 and 1,985,038.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,409,300.58 : 5,107,748.90 = 1,985,038.70 : x
2. Step 2: Convert to fraction form
   3,409,300.58/5,107,748.90 = 1,985,038.70/x
3. Step 3: Cross multiply
   3,409,300.58x = 5,107,748.90 × 1,985,038.70
4. Step 4: Simplify right side
   3,409,300.58x = 10,139,079,200,918.49
5. Step 5: Solve for x
   x = 10,139,079,200,918.49/3,409,300.58
6. Step 6: Final answer
   x = 2,973,947.00