Finding the Fourth Proportional to 6,656,688.10, 9,986,388.81 and 3,011,667.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,656,688.10 : 9,986,388.81 = 3,011,667.18 : x
2. Step 2: Convert to fraction form
   6,656,688.10/9,986,388.81 = 3,011,667.18/x
3. Step 3: Cross multiply
   6,656,688.10x = 9,986,388.81 × 3,011,667.18
4. Step 4: Simplify right side
   6,656,688.10x = 30,075,679,425,796.26
5. Step 5: Solve for x
   x = 30,075,679,425,796.26/6,656,688.10
6. Step 6: Final answer
   x = 4,518,114.56