Finding the Fourth Proportional to 2,153,983.56, 2,973,003.82 and 1,338,802.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,983.56 : 2,973,003.82 = 1,338,802.88 : x
2. Step 2: Convert to fraction form
   2,153,983.56/2,973,003.82 = 1,338,802.88/x
3. Step 3: Cross multiply
   2,153,983.56x = 2,973,003.82 × 1,338,802.88
4. Step 4: Simplify right side
   2,153,983.56x = 3,980,266,076,467.00
5. Step 5: Solve for x
   x = 3,980,266,076,467.00/2,153,983.56
6. Step 6: Final answer
   x = 1,847,862.79