Finding the Fourth Proportional to 9,639,667.25, 14,458,991.62 and 3,161,889.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,639,667.25 : 14,458,991.62 = 3,161,889.31 : x
2. Step 2: Convert to fraction form
   9,639,667.25/14,458,991.62 = 3,161,889.31/x
3. Step 3: Cross multiply
   9,639,667.25x = 14,458,991.62 × 3,161,889.31
4. Step 4: Simplify right side
   9,639,667.25x = 45,717,731,036,657.58
5. Step 5: Solve for x
   x = 45,717,731,036,657.58/9,639,667.25
6. Step 6: Final answer
   x = 4,742,666.93