Finding the Fourth Proportional to 6,390,945.50, 8,819,722.41 and 3,779,688.00

Step by Step Solution

1. Step 1: Write the proportion equation
   6,390,945.50 : 8,819,722.41 = 3,779,688.00 : x
2. Step 2: Convert to fraction form
   6,390,945.50/8,819,722.41 = 3,779,688.00/x
3. Step 3: Cross multiply
   6,390,945.50x = 8,819,722.41 × 3,779,688.00
4. Step 4: Simplify right side
   6,390,945.50x = 33,335,798,946,958.02
5. Step 5: Solve for x
   x = 33,335,798,946,958.02/6,390,945.50
6. Step 6: Final answer
   x = 5,216,098.15