Finding the Fourth Proportional to 1,922,111.60, 2,884,603.56 and 725,214.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,922,111.60 : 2,884,603.56 = 725,214.32 : x
2. Step 2: Convert to fraction form
   1,922,111.60/2,884,603.56 = 725,214.32/x
3. Step 3: Cross multiply
   1,922,111.60x = 2,884,603.56 × 725,214.32
4. Step 4: Simplify right side
   1,922,111.60x = 2,091,955,809,234.98
5. Step 5: Solve for x
   x = 2,091,955,809,234.98/1,922,111.60
6. Step 6: Final answer
   x = 1,088,363.34