Finding the Fourth Proportional to 1,254,458.10, 1,731,300.58 and 745,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254,458.10 : 1,731,300.58 = 745,162.50 : x
2. Step 2: Convert to fraction form
   1,254,458.10/1,731,300.58 = 745,162.50/x
3. Step 3: Cross multiply
   1,254,458.10x = 1,731,300.58 × 745,162.50
4. Step 4: Simplify right side
   1,254,458.10x = 1,290,100,268,444.25
5. Step 5: Solve for x
   x = 1,290,100,268,444.25/1,254,458.10
6. Step 6: Final answer
   x = 1,028,412.40