Finding the Fourth Proportional to 2,103,500.29, 2,903,061.06 and 1,220,643.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103,500.29 : 2,903,061.06 = 1,220,643.93 : x
2. Step 2: Convert to fraction form
   2,103,500.29/2,903,061.06 = 1,220,643.93/x
3. Step 3: Cross multiply
   2,103,500.29x = 2,903,061.06 × 1,220,643.93
4. Step 4: Simplify right side
   2,103,500.29x = 3,543,603,861,308.37
5. Step 5: Solve for x
   x = 3,543,603,861,308.37/2,103,500.29
6. Step 6: Final answer
   x = 1,684,622.47