Finding the Fourth Proportional to 1,672,075.57, 2,308,168.89 and 1,128,946.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,075.57 : 2,308,168.89 = 1,128,946.27 : x
2. Step 2: Convert to fraction form
   1,672,075.57/2,308,168.89 = 1,128,946.27/x
3. Step 3: Cross multiply
   1,672,075.57x = 2,308,168.89 × 1,128,946.27
4. Step 4: Simplify right side
   1,672,075.57x = 2,605,798,641,709.96
5. Step 5: Solve for x
   x = 2,605,798,641,709.96/1,672,075.57
6. Step 6: Final answer
   x = 1,558,421.58