Finding the Fourth Proportional to 1,056,470.61, 1,457,918.72 and 573,025.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056,470.61 : 1,457,918.72 = 573,025.37 : x
2. Step 2: Convert to fraction form
   1,056,470.61/1,457,918.72 = 573,025.37/x
3. Step 3: Cross multiply
   1,056,470.61x = 1,457,918.72 × 573,025.37
4. Step 4: Simplify right side
   1,056,470.61x = 835,424,407,448.00
5. Step 5: Solve for x
   x = 835,424,407,448.00/1,056,470.61
6. Step 6: Final answer
   x = 790,769.19