Finding the Fourth Proportional to 1,151,291.58, 1,588,807.80 and 635,061.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151,291.58 : 1,588,807.80 = 635,061.17 : x
2. Step 2: Convert to fraction form
   1,151,291.58/1,588,807.80 = 635,061.17/x
3. Step 3: Cross multiply
   1,151,291.58x = 1,588,807.80 × 635,061.17
4. Step 4: Simplify right side
   1,151,291.58x = 1,008,990,132,429.09
5. Step 5: Solve for x
   x = 1,008,990,132,429.09/1,151,291.58
6. Step 6: Final answer
   x = 876,398.43