Finding the Fourth Proportional to 1,094,838.72, 1,510,819.68 and 617,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094,838.72 : 1,510,819.68 = 617,880 : x
2. Step 2: Convert to fraction form
   1,094,838.72/1,510,819.68 = 617,880/x
3. Step 3: Cross multiply
   1,094,838.72x = 1,510,819.68 × 617,880
4. Step 4: Simplify right side
   1,094,838.72x = 933,505,263,878.40
5. Step 5: Solve for x
   x = 933,505,263,878.40/1,094,838.72
6. Step 6: Final answer
   x = 852,641.81