Finding the Fourth Proportional to 2,154,876.78, 2,973,774.96 and 1,188,047.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,876.78 : 2,973,774.96 = 1,188,047.82 : x
2. Step 2: Convert to fraction form
   2,154,876.78/2,973,774.96 = 1,188,047.82/x
3. Step 3: Cross multiply
   2,154,876.78x = 2,973,774.96 × 1,188,047.82
4. Step 4: Simplify right side
   2,154,876.78x = 3,532,986,858,398.59
5. Step 5: Solve for x
   x = 3,532,986,858,398.59/2,154,876.78
6. Step 6: Final answer
   x = 1,639,530.80