Finding the Fourth Proportional to 1,116,376.72, 1,540,553.40 and 632,974.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,376.72 : 1,540,553.40 = 632,974.56 : x
2. Step 2: Convert to fraction form
   1,116,376.72/1,540,553.40 = 632,974.56/x
3. Step 3: Cross multiply
   1,116,376.72x = 1,540,553.40 × 632,974.56
4. Step 4: Simplify right side
   1,116,376.72x = 975,131,110,521.50
5. Step 5: Solve for x
   x = 975,131,110,521.50/1,116,376.72
6. Step 6: Final answer
   x = 873,478.54