Finding the Fourth Proportional to 2,187,051.75, 3,018,131.46 and 1,281,633.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187,051.75 : 3,018,131.46 = 1,281,633.75 : x
2. Step 2: Convert to fraction form
   2,187,051.75/3,018,131.46 = 1,281,633.75/x
3. Step 3: Cross multiply
   2,187,051.75x = 3,018,131.46 × 1,281,633.75
4. Step 4: Simplify right side
   2,187,051.75x = 3,868,139,141,072.78
5. Step 5: Solve for x
   x = 3,868,139,141,072.78/2,187,051.75
6. Step 6: Final answer
   x = 1,768,654.60