Finding the Fourth Proportional to 1,672,128.71, 2,307,396.74 and 927,074.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,128.71 : 2,307,396.74 = 927,074.48 : x
2. Step 2: Convert to fraction form
   1,672,128.71/2,307,396.74 = 927,074.48/x
3. Step 3: Cross multiply
   1,672,128.71x = 2,307,396.74 × 927,074.48
4. Step 4: Simplify right side
   1,672,128.71x = 2,139,128,641,081.59
5. Step 5: Solve for x
   x = 2,139,128,641,081.59/1,672,128.71
6. Step 6: Final answer
   x = 1,279,284.68