Finding the Fourth Proportional to 1,116,612.48, 1,540,938.24 and 607,326.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,612.48 : 1,540,938.24 = 607,326.72 : x
2. Step 2: Convert to fraction form
   1,116,612.48/1,540,938.24 = 607,326.72/x
3. Step 3: Cross multiply
   1,116,612.48x = 1,540,938.24 × 607,326.72
4. Step 4: Simplify right side
   1,116,612.48x = 935,852,967,021.77
5. Step 5: Solve for x
   x = 935,852,967,021.77/1,116,612.48
6. Step 6: Final answer
   x = 838,117.95