Finding the Fourth Proportional to 2,265,123.69, 3,125,944.71 and 1,298,436.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265,123.69 : 3,125,944.71 = 1,298,436.89 : x
2. Step 2: Convert to fraction form
   2,265,123.69/3,125,944.71 = 1,298,436.89/x
3. Step 3: Cross multiply
   2,265,123.69x = 3,125,944.71 × 1,298,436.89
4. Step 4: Simplify right side
   2,265,123.69x = 4,058,841,911,934.63
5. Step 5: Solve for x
   x = 4,058,841,911,934.63/2,265,123.69
6. Step 6: Final answer
   x = 1,791,885.33