Finding the Fourth Proportional to 5,320,090.88, 7,981,258.68 and 1,725,578.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320,090.88 : 7,981,258.68 = 1,725,578.72 : x
2. Step 2: Convert to fraction form
   5,320,090.88/7,981,258.68 = 1,725,578.72/x
3. Step 3: Cross multiply
   5,320,090.88x = 7,981,258.68 × 1,725,578.72
4. Step 4: Simplify right side
   5,320,090.88x = 13,772,290,137,023.29
5. Step 5: Solve for x
   x = 13,772,290,137,023.29/5,320,090.88
6. Step 6: Final answer
   x = 2,588,732.12