Finding the Fourth Proportional to 1,874,567.52, 2,586,904.56 and 1,015,128.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,874,567.52 : 2,586,904.56 = 1,015,128.72 : x
2. Step 2: Convert to fraction form
   1,874,567.52/2,586,904.56 = 1,015,128.72/x
3. Step 3: Cross multiply
   1,874,567.52x = 2,586,904.56 × 1,015,128.72
4. Step 4: Simplify right side
   1,874,567.52x = 2,626,041,114,754.96
5. Step 5: Solve for x
   x = 2,626,041,114,754.96/1,874,567.52
6. Step 6: Final answer
   x = 1,400,878.38