Finding the Fourth Proportional to 2,120,715.84, 2,925,623.52 and 1,260,788.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120,715.84 : 2,925,623.52 = 1,260,788.16 : x
2. Step 2: Convert to fraction form
   2,120,715.84/2,925,623.52 = 1,260,788.16/x
3. Step 3: Cross multiply
   2,120,715.84x = 2,925,623.52 × 1,260,788.16
4. Step 4: Simplify right side
   2,120,715.84x = 3,688,591,494,633.52
5. Step 5: Solve for x
   x = 3,688,591,494,633.52/2,120,715.84
6. Step 6: Final answer
   x = 1,739,314.35