Finding the Fourth Proportional to 1,173,460.15, 1,619,097.43 and 664,162.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173,460.15 : 1,619,097.43 = 664,162.52 : x
2. Step 2: Convert to fraction form
   1,173,460.15/1,619,097.43 = 664,162.52/x
3. Step 3: Cross multiply
   1,173,460.15x = 1,619,097.43 × 664,162.52
4. Step 4: Simplify right side
   1,173,460.15x = 1,075,343,834,942.47
5. Step 5: Solve for x
   x = 1,075,343,834,942.47/1,173,460.15
6. Step 6: Final answer
   x = 916,387.18