Finding the Fourth Proportional to 1,528,188.29, 2,108,892.78 and 874,810.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,188.29 : 2,108,892.78 = 874,810.71 : x
2. Step 2: Convert to fraction form
   1,528,188.29/2,108,892.78 = 874,810.71/x
3. Step 3: Cross multiply
   1,528,188.29x = 2,108,892.78 × 874,810.71
4. Step 4: Simplify right side
   1,528,188.29x = 1,844,881,980,563.76
5. Step 5: Solve for x
   x = 1,844,881,980,563.76/1,528,188.29
6. Step 6: Final answer
   x = 1,207,234.73