Finding the Fourth Proportional to 2,991,314.16, 4,487,562.72 and 1,098,072

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991,314.16 : 4,487,562.72 = 1,098,072 : x
2. Step 2: Convert to fraction form
   2,991,314.16/4,487,562.72 = 1,098,072/x
3. Step 3: Cross multiply
   2,991,314.16x = 4,487,562.72 × 1,098,072
4. Step 4: Simplify right side
   2,991,314.16x = 4,927,666,971,075.84
5. Step 5: Solve for x
   x = 4,927,666,971,075.84/2,991,314.16
6. Step 6: Final answer
   x = 1,647,325.12