Finding the Fourth Proportional to 1,563,700.89, 2,157,788.01 and 875,215.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,563,700.89 : 2,157,788.01 = 875,215.05 : x
2. Step 2: Convert to fraction form
   1,563,700.89/2,157,788.01 = 875,215.05/x
3. Step 3: Cross multiply
   1,563,700.89x = 2,157,788.01 × 875,215.05
4. Step 4: Simplify right side
   1,563,700.89x = 1,888,528,541,061.55
5. Step 5: Solve for x
   x = 1,888,528,541,061.55/1,563,700.89
6. Step 6: Final answer
   x = 1,207,730.04