Finding the Fourth Proportional to 1,117,131.02, 1,541,595.41 and 633,685.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,131.02 : 1,541,595.41 = 633,685.78 : x
2. Step 2: Convert to fraction form
   1,117,131.02/1,541,595.41 = 633,685.78/x
3. Step 3: Cross multiply
   1,117,131.02x = 1,541,595.41 × 633,685.78
4. Step 4: Simplify right side
   1,117,131.02x = 976,887,095,174.59
5. Step 5: Solve for x
   x = 976,887,095,174.59/1,117,131.02
6. Step 6: Final answer
   x = 874,460.63