Finding the Fourth Proportional to 3,705,165.50, 5,113,128.39 and 2,009,421.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705,165.50 : 5,113,128.39 = 2,009,421.50 : x
2. Step 2: Convert to fraction form
   3,705,165.50/5,113,128.39 = 2,009,421.50/x
3. Step 3: Cross multiply
   3,705,165.50x = 5,113,128.39 × 2,009,421.50
4. Step 4: Simplify right side
   3,705,165.50x = 10,274,430,119,126.38
5. Step 5: Solve for x
   x = 10,274,430,119,126.38/3,705,165.50
6. Step 6: Final answer
   x = 2,773,001.67