Finding the Fourth Proportional to 3,210,581.52, 4,429,978.57 and 1,903,592.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,210,581.52 : 4,429,978.57 = 1,903,592.05 : x
2. Step 2: Convert to fraction form
   3,210,581.52/4,429,978.57 = 1,903,592.05/x
3. Step 3: Cross multiply
   3,210,581.52x = 4,429,978.57 × 1,903,592.05
4. Step 4: Simplify right side
   3,210,581.52x = 8,432,871,978,826.91
5. Step 5: Solve for x
   x = 8,432,871,978,826.91/3,210,581.52
6. Step 6: Final answer
   x = 2,626,587.09