Finding the Fourth Proportional to 1,556,035,522.38, 2,147,380,238.39 and 851,171,373.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556,035,522.38 : 2,147,380,238.39 = 851,171,373.45 : x
2. Step 2: Convert to fraction form
   1,556,035,522.38/2,147,380,238.39 = 851,171,373.45/x
3. Step 3: Cross multiply
   1,556,035,522.38x = 2,147,380,238.39 × 851,171,373.45
4. Step 4: Simplify right side
   1,556,035,522.38x = 1,827,788,586,825,549,056
5. Step 5: Solve for x
   x = 1,827,788,586,825,549,056/1,556,035,522.38
6. Step 6: Final answer
   x = 1,174,644,511.99