Finding the Fourth Proportional to 2,139,340.50, 2,952,312.48 and 1,172,449.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,340.50 : 2,952,312.48 = 1,172,449.56 : x
2. Step 2: Convert to fraction form
   2,139,340.50/2,952,312.48 = 1,172,449.56/x
3. Step 3: Cross multiply
   2,139,340.50x = 2,952,312.48 × 1,172,449.56
4. Step 4: Simplify right side
   2,139,340.50x = 3,461,437,468,158.51
5. Step 5: Solve for x
   x = 3,461,437,468,158.51/2,139,340.50
6. Step 6: Final answer
   x = 1,617,992.77