Finding the Fourth Proportional to 1,116,820.50, 1,541,227.67 and 607,522.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,820.50 : 1,541,227.67 = 607,522.87 : x
2. Step 2: Convert to fraction form
   1,116,820.50/1,541,227.67 = 607,522.87/x
3. Step 3: Cross multiply
   1,116,820.50x = 1,541,227.67 × 607,522.87
4. Step 4: Simplify right side
   1,116,820.50x = 936,331,057,401.81
5. Step 5: Solve for x
   x = 936,331,057,401.81/1,116,820.50
6. Step 6: Final answer
   x = 838,389.93