Finding the Fourth Proportional to 2,064,429.86, 2,849,948.68 and 1,290,491.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064,429.86 : 2,849,948.68 = 1,290,491.22 : x
2. Step 2: Convert to fraction form
   2,064,429.86/2,849,948.68 = 1,290,491.22/x
3. Step 3: Cross multiply
   2,064,429.86x = 2,849,948.68 × 1,290,491.22
4. Step 4: Simplify right side
   2,064,429.86x = 3,677,833,748,990.59
5. Step 5: Solve for x
   x = 3,677,833,748,990.59/2,064,429.86
6. Step 6: Final answer
   x = 1,781,525.17