Finding the Fourth Proportional to 1,455,428.69, 2,172,909.59 and 1,112,075.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455,428.69 : 2,172,909.59 = 1,112,075.16 : x
2. Step 2: Convert to fraction form
   1,455,428.69/2,172,909.59 = 1,112,075.16/x
3. Step 3: Cross multiply
   1,455,428.69x = 2,172,909.59 × 1,112,075.16
4. Step 4: Simplify right side
   1,455,428.69x = 2,416,438,779,964.78
5. Step 5: Solve for x
   x = 2,416,438,779,964.78/1,455,428.69
6. Step 6: Final answer
   x = 1,660,293.49