Finding the Fourth Proportional to 1,105,010.10, 1,657,515.15 and 395,061.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,010.10 : 1,657,515.15 = 395,061.30 : x
2. Step 2: Convert to fraction form
   1,105,010.10/1,657,515.15 = 395,061.30/x
3. Step 3: Cross multiply
   1,105,010.10x = 1,657,515.15 × 395,061.30
4. Step 4: Simplify right side
   1,105,010.10x = 654,820,089,928.70
5. Step 5: Solve for x
   x = 654,820,089,928.70/1,105,010.10
6. Step 6: Final answer
   x = 592,591.95