Finding the Fourth Proportional to 2,148,141.69, 2,964,457.31 and 1,181,279.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148,141.69 : 2,964,457.31 = 1,181,279.12 : x
2. Step 2: Convert to fraction form
   2,148,141.69/2,964,457.31 = 1,181,279.12/x
3. Step 3: Cross multiply
   2,148,141.69x = 2,964,457.31 × 1,181,279.12
4. Step 4: Simplify right side
   2,148,141.69x = 3,501,851,501,705.69
5. Step 5: Solve for x
   x = 3,501,851,501,705.69/2,148,141.69
6. Step 6: Final answer
   x = 1,630,177.15