Finding the Fourth Proportional to 2,117,077.56, 3,175,611.48 and 918,844.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117,077.56 : 3,175,611.48 = 918,844.56 : x
2. Step 2: Convert to fraction form
   2,117,077.56/3,175,611.48 = 918,844.56/x
3. Step 3: Cross multiply
   2,117,077.56x = 3,175,611.48 × 918,844.56
4. Step 4: Simplify right side
   2,117,077.56x = 2,917,893,333,071.55
5. Step 5: Solve for x
   x = 2,917,893,333,071.55/2,117,077.56
6. Step 6: Final answer
   x = 1,378,264.73