Finding the Fourth Proportional to 766,248.98, 1,057,347.89 and 426,748.82

Step by Step Solution

1. Step 1: Write the proportion equation
   766,248.98 : 1,057,347.89 = 426,748.82 : x
2. Step 2: Convert to fraction form
   766,248.98/1,057,347.89 = 426,748.82/x
3. Step 3: Cross multiply
   766,248.98x = 1,057,347.89 × 426,748.82
4. Step 4: Simplify right side
   766,248.98x = 451,221,956,966.51
5. Step 5: Solve for x
   x = 451,221,956,966.51/766,248.98
6. Step 6: Final answer
   x = 588,871.20