Finding the Fourth Proportional to 9,425,805,683.31, 13,007,012,462.25 and 5,196,486,405.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,425,805,683.31 : 13,007,012,462.25 = 5,196,486,405.87 : x
2. Step 2: Convert to fraction form
   9,425,805,683.31/13,007,012,462.25 = 5,196,486,405.87/x
3. Step 3: Cross multiply
   9,425,805,683.31x = 13,007,012,462.25 × 5,196,486,405.87
4. Step 4: Simplify right side
   9,425,805,683.31x = 67,590,763,441,063,796,736
5. Step 5: Solve for x
   x = 67,590,763,441,063,796,736/9,425,805,683.31
6. Step 6: Final answer
   x = 7,170,820,798.98