Finding the Fourth Proportional to 1,065,457.98, 1,470,376.71 and 612,749.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,457.98 : 1,470,376.71 = 612,749.34 : x
2. Step 2: Convert to fraction form
   1,065,457.98/1,470,376.71 = 612,749.34/x
3. Step 3: Cross multiply
   1,065,457.98x = 1,470,376.71 × 612,749.34
4. Step 4: Simplify right side
   1,065,457.98x = 900,972,358,603.87
5. Step 5: Solve for x
   x = 900,972,358,603.87/1,065,457.98
6. Step 6: Final answer
   x = 845,619.79