Finding the Fourth Proportional to 2,174,788.82, 3,001,124.98 and 1,207,980.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174,788.82 : 3,001,124.98 = 1,207,980.70 : x
2. Step 2: Convert to fraction form
   2,174,788.82/3,001,124.98 = 1,207,980.70/x
3. Step 3: Cross multiply
   2,174,788.82x = 3,001,124.98 × 1,207,980.70
4. Step 4: Simplify right side
   2,174,788.82x = 3,625,301,054,127.89
5. Step 5: Solve for x
   x = 3,625,301,054,127.89/2,174,788.82
6. Step 6: Final answer
   x = 1,666,966.94