Finding the Fourth Proportional to 1,985,146.33, 2,976,412.77 and 1,309,166.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985,146.33 : 2,976,412.77 = 1,309,166.50 : x
2. Step 2: Convert to fraction form
   1,985,146.33/2,976,412.77 = 1,309,166.50/x
3. Step 3: Cross multiply
   1,985,146.33x = 2,976,412.77 × 1,309,166.50
4. Step 4: Simplify right side
   1,985,146.33x = 3,896,619,888,656.21
5. Step 5: Solve for x
   x = 3,896,619,888,656.21/1,985,146.33
6. Step 6: Final answer
   x = 1,962,887.99