Finding the Fourth Proportional to 2,064,428.86, 2,849,947.30 and 1,290,490.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064,428.86 : 2,849,947.30 = 1,290,490.22 : x
2. Step 2: Convert to fraction form
   2,064,428.86/2,849,947.30 = 1,290,490.22/x
3. Step 3: Cross multiply
   2,064,428.86x = 2,849,947.30 × 1,290,490.22
4. Step 4: Simplify right side
   2,064,428.86x = 3,677,829,118,165.41
5. Step 5: Solve for x
   x = 3,677,829,118,165.41/2,064,428.86
6. Step 6: Final answer
   x = 1,781,523.79