Finding the Fourth Proportional to 3,532,389.89, 4,875,457.73 and 2,155,438.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,532,389.89 : 4,875,457.73 = 2,155,438.59 : x
2. Step 2: Convert to fraction form
   3,532,389.89/4,875,457.73 = 2,155,438.59/x
3. Step 3: Cross multiply
   3,532,389.89x = 4,875,457.73 × 2,155,438.59
4. Step 4: Simplify right side
   3,532,389.89x = 10,508,749,724,378.61
5. Step 5: Solve for x
   x = 10,508,749,724,378.61/3,532,389.89
6. Step 6: Final answer
   x = 2,974,968.80