Finding the Fourth Proportional to 5,425,825.29, 8,128,096.89 and 3,146,561.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,425,825.29 : 8,128,096.89 = 3,146,561.25 : x
2. Step 2: Convert to fraction form
   5,425,825.29/8,128,096.89 = 3,146,561.25/x
3. Step 3: Cross multiply
   5,425,825.29x = 8,128,096.89 × 3,146,561.25
4. Step 4: Simplify right side
   5,425,825.29x = 25,575,554,710,319.51
5. Step 5: Solve for x
   x = 25,575,554,710,319.51/5,425,825.29
6. Step 6: Final answer
   x = 4,713,670.89