Finding the Fourth Proportional to 2,520,969.71, 3,478,938.20 and 1,375,050.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520,969.71 : 3,478,938.20 = 1,375,050.05 : x
2. Step 2: Convert to fraction form
   2,520,969.71/3,478,938.20 = 1,375,050.05/x
3. Step 3: Cross multiply
   2,520,969.71x = 3,478,938.20 × 1,375,050.05
4. Step 4: Simplify right side
   2,520,969.71x = 4,783,714,139,789.43
5. Step 5: Solve for x
   x = 4,783,714,139,789.43/2,520,969.71
6. Step 6: Final answer
   x = 1,897,569.07