Finding the Fourth Proportional to 1,071,648.94, 1,478,894.61 and 588,259.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,648.94 : 1,478,894.61 = 588,259.03 : x
2. Step 2: Convert to fraction form
   1,071,648.94/1,478,894.61 = 588,259.03/x
3. Step 3: Cross multiply
   1,071,648.94x = 1,478,894.61 × 588,259.03
4. Step 4: Simplify right side
   1,071,648.94x = 869,973,108,750.83
5. Step 5: Solve for x
   x = 869,973,108,750.83/1,071,648.94
6. Step 6: Final answer
   x = 811,807.93