Finding the Fourth Proportional to 1,131,111.96, 1,696,308.30 and 372,812.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,111.96 : 1,696,308.30 = 372,812.10 : x
2. Step 2: Convert to fraction form
   1,131,111.96/1,696,308.30 = 372,812.10/x
3. Step 3: Cross multiply
   1,131,111.96x = 1,696,308.30 × 372,812.10
4. Step 4: Simplify right side
   1,131,111.96x = 632,404,259,570.43
5. Step 5: Solve for x
   x = 632,404,259,570.43/1,131,111.96
6. Step 6: Final answer
   x = 559,099.61