Finding the Fourth Proportional to 910,106, 1,364,096 and 684,742.40

Step by Step Solution

1. Step 1: Write the proportion equation
   910,106 : 1,364,096 = 684,742.40 : x
2. Step 2: Convert to fraction form
   910,106/1,364,096 = 684,742.40/x
3. Step 3: Cross multiply
   910,106x = 1,364,096 × 684,742.40
4. Step 4: Simplify right side
   910,106x = 934,054,368,870.40
5. Step 5: Solve for x
   x = 934,054,368,870.40/910,106
6. Step 6: Final answer
   x = 1,026,313.82