Finding the Fourth Proportional to 1,876,863.50, 2,815,516.69 and 1,406,538.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,876,863.50 : 2,815,516.69 = 1,406,538.22 : x
2. Step 2: Convert to fraction form
   1,876,863.50/2,815,516.69 = 1,406,538.22/x
3. Step 3: Cross multiply
   1,876,863.50x = 2,815,516.69 × 1,406,538.22
4. Step 4: Simplify right side
   1,876,863.50x = 3,960,131,819,461.41
5. Step 5: Solve for x
   x = 3,960,131,819,461.41/1,876,863.50
6. Step 6: Final answer
   x = 2,109,973.27