Finding the Fourth Proportional to 2,611,281,786.21, 3,918,528,545.58 and 1,037,113,686.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611,281,786.21 : 3,918,528,545.58 = 1,037,113,686.12 : x
2. Step 2: Convert to fraction form
   2,611,281,786.21/3,918,528,545.58 = 1,037,113,686.12/x
3. Step 3: Cross multiply
   2,611,281,786.21x = 3,918,528,545.58 × 1,037,113,686.12
4. Step 4: Simplify right side
   2,611,281,786.21x = 4,063,959,584,072,915,968
5. Step 5: Solve for x
   x = 4,063,959,584,072,915,968/2,611,281,786.21
6. Step 6: Final answer
   x = 1,556,308,325.49