Finding the Fourth Proportional to 1,488,965.69, 2,054,955.06 and 877,086.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488,965.69 : 2,054,955.06 = 877,086.83 : x
2. Step 2: Convert to fraction form
   1,488,965.69/2,054,955.06 = 877,086.83/x
3. Step 3: Cross multiply
   1,488,965.69x = 2,054,955.06 × 877,086.83
4. Step 4: Simplify right side
   1,488,965.69x = 1,802,374,009,093.08
5. Step 5: Solve for x
   x = 1,802,374,009,093.08/1,488,965.69
6. Step 6: Final answer
   x = 1,210,487.27