Finding the Fourth Proportional to 1,157,312.89, 1,735,128.15 and 483,587.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,312.89 : 1,735,128.15 = 483,587.02 : x
2. Step 2: Convert to fraction form
   1,157,312.89/1,735,128.15 = 483,587.02/x
3. Step 3: Cross multiply
   1,157,312.89x = 1,735,128.15 × 483,587.02
4. Step 4: Simplify right side
   1,157,312.89x = 839,085,451,376.61
5. Step 5: Solve for x
   x = 839,085,451,376.61/1,157,312.89
6. Step 6: Final answer
   x = 725,029.04