Finding the Fourth Proportional to 1,147,061.32, 1,582,985.27 and 630,855.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,061.32 : 1,582,985.27 = 630,855.12 : x
2. Step 2: Convert to fraction form
   1,147,061.32/1,582,985.27 = 630,855.12/x
3. Step 3: Cross multiply
   1,147,061.32x = 1,582,985.27 × 630,855.12
4. Step 4: Simplify right side
   1,147,061.32x = 998,634,362,464.08
5. Step 5: Solve for x
   x = 998,634,362,464.08/1,147,061.32
6. Step 6: Final answer
   x = 870,602.42