Finding the Fourth Proportional to 201,801,581.31, 278,486,171.52 and 108,982,080.21

Step by Step Solution

1. Step 1: Write the proportion equation
   201,801,581.31 : 278,486,171.52 = 108,982,080.21 : x
2. Step 2: Convert to fraction form
   201,801,581.31/278,486,171.52 = 108,982,080.21/x
3. Step 3: Cross multiply
   201,801,581.31x = 278,486,171.52 × 108,982,080.21
4. Step 4: Simplify right side
   201,801,581.31x = 30,350,002,281,968,452
5. Step 5: Solve for x
   x = 30,350,002,281,968,452/201,801,581.31
6. Step 6: Final answer
   x = 150,395,264.92