Finding the Fourth Proportional to 2,157,774.52, 2,977,714.14 and 1,190,904.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,774.52 : 2,977,714.14 = 1,190,904.78 : x
2. Step 2: Convert to fraction form
   2,157,774.52/2,977,714.14 = 1,190,904.78/x
3. Step 3: Cross multiply
   2,157,774.52x = 2,977,714.14 × 1,190,904.78
4. Step 4: Simplify right side
   2,157,774.52x = 3,546,174,002,799.59
5. Step 5: Solve for x
   x = 3,546,174,002,799.59/2,157,774.52
6. Step 6: Final answer
   x = 1,643,440.48