Finding the Fourth Proportional to 1,499,992.61, 2,069,975.30 and 811,649.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,992.61 : 2,069,975.30 = 811,649.43 : x
2. Step 2: Convert to fraction form
   1,499,992.61/2,069,975.30 = 811,649.43/x
3. Step 3: Cross multiply
   1,499,992.61x = 2,069,975.30 × 811,649.43
4. Step 4: Simplify right side
   1,499,992.61x = 1,680,094,268,300.83
5. Step 5: Solve for x
   x = 1,680,094,268,300.83/1,499,992.61
6. Step 6: Final answer
   x = 1,120,068.37