Finding the Fourth Proportional to 8,455,695.68, 12,683,091.54 and 2,990,411.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,455,695.68 : 12,683,091.54 = 2,990,411.84 : x
2. Step 2: Convert to fraction form
   8,455,695.68/12,683,091.54 = 2,990,411.84/x
3. Step 3: Cross multiply
   8,455,695.68x = 12,683,091.54 × 2,990,411.84
4. Step 4: Simplify right side
   8,455,695.68x = 37,927,667,109,019.83
5. Step 5: Solve for x
   x = 37,927,667,109,019.83/8,455,695.68
6. Step 6: Final answer
   x = 4,485,457.91