Finding the Fourth Proportional to 2,185,903.52, 3,280,099.56 and 1,438,301.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,903.52 : 3,280,099.56 = 1,438,301.60 : x
2. Step 2: Convert to fraction form
   2,185,903.52/3,280,099.56 = 1,438,301.60/x
3. Step 3: Cross multiply
   2,185,903.52x = 3,280,099.56 × 1,438,301.60
4. Step 4: Simplify right side
   2,185,903.52x = 4,717,772,445,307.30
5. Step 5: Solve for x
   x = 4,717,772,445,307.30/2,185,903.52
6. Step 6: Final answer
   x = 2,158,271.12