Finding the Fourth Proportional to 2,878,662.21, 4,319,487.72 and 1,174,056.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,878,662.21 : 4,319,487.72 = 1,174,056.09 : x
2. Step 2: Convert to fraction form
   2,878,662.21/4,319,487.72 = 1,174,056.09/x
3. Step 3: Cross multiply
   2,878,662.21x = 4,319,487.72 × 1,174,056.09
4. Step 4: Simplify right side
   2,878,662.21x = 5,071,320,863,346.22
5. Step 5: Solve for x
   x = 5,071,320,863,346.22/2,878,662.21
6. Step 6: Final answer
   x = 1,761,693.62