Finding the Fourth Proportional to 1,144,985.16, 1,580,017.82 and 635,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,985.16 : 1,580,017.82 = 635,654.72 : x
2. Step 2: Convert to fraction form
   1,144,985.16/1,580,017.82 = 635,654.72/x
3. Step 3: Cross multiply
   1,144,985.16x = 1,580,017.82 × 635,654.72
4. Step 4: Simplify right side
   1,144,985.16x = 1,004,345,784,967.11
5. Step 5: Solve for x
   x = 1,004,345,784,967.11/1,144,985.16
6. Step 6: Final answer
   x = 877,169.26