Finding the Fourth Proportional to 1,528,570.64, 2,109,381.72 and 875,174.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,570.64 : 2,109,381.72 = 875,174.96 : x
2. Step 2: Convert to fraction form
   1,528,570.64/2,109,381.72 = 875,174.96/x
3. Step 3: Cross multiply
   1,528,570.64x = 2,109,381.72 × 875,174.96
4. Step 4: Simplify right side
   1,528,570.64x = 1,846,078,062,425.73
5. Step 5: Solve for x
   x = 1,846,078,062,425.73/1,528,570.64
6. Step 6: Final answer
   x = 1,207,715.24