Finding the Fourth Proportional to 10,891,417,889.32, 16,341,878,787.34 and 3,813,980,469.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,891,417,889.32 : 16,341,878,787.34 = 3,813,980,469.40 : x
2. Step 2: Convert to fraction form
   10,891,417,889.32/16,341,878,787.34 = 3,813,980,469.40/x
3. Step 3: Cross multiply
   10,891,417,889.32x = 16,341,878,787.34 × 3,813,980,469.40
4. Step 4: Simplify right side
   10,891,417,889.32x = 62,327,606,528,216,915,968
5. Step 5: Solve for x
   x = 62,327,606,528,216,915,968/10,891,417,889.32
6. Step 6: Final answer
   x = 5,722,634,753.49