Finding the Fourth Proportional to 2,818,116, 3,889,009.80 and 1,528,962.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818,116 : 3,889,009.80 = 1,528,962.12 : x
2. Step 2: Convert to fraction form
   2,818,116/3,889,009.80 = 1,528,962.12/x
3. Step 3: Cross multiply
   2,818,116x = 3,889,009.80 × 1,528,962.12
4. Step 4: Simplify right side
   2,818,116x = 5,946,148,668,508.78
5. Step 5: Solve for x
   x = 5,946,148,668,508.78/2,818,116
6. Step 6: Final answer
   x = 2,109,973.00