Finding the Fourth Proportional to 2,111,911.48, 2,911,618.38 and 1,677,769.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,911.48 : 2,911,618.38 = 1,677,769.30 : x
2. Step 2: Convert to fraction form
   2,111,911.48/2,911,618.38 = 1,677,769.30/x
3. Step 3: Cross multiply
   2,111,911.48x = 2,911,618.38 × 1,677,769.30
4. Step 4: Simplify right side
   2,111,911.48x = 4,885,023,931,279.73
5. Step 5: Solve for x
   x = 4,885,023,931,279.73/2,111,911.48
6. Step 6: Final answer
   x = 2,313,081.76