Finding the Fourth Proportional to 2,505,268.46, 3,758,370.80 and 1,139,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505,268.46 : 3,758,370.80 = 1,139,142.50 : x
2. Step 2: Convert to fraction form
   2,505,268.46/3,758,370.80 = 1,139,142.50/x
3. Step 3: Cross multiply
   2,505,268.46x = 3,758,370.80 × 1,139,142.50
4. Step 4: Simplify right side
   2,505,268.46x = 4,281,319,893,095.00
5. Step 5: Solve for x
   x = 4,281,319,893,095.00/2,505,268.46
6. Step 6: Final answer
   x = 1,708,926.60