Finding the Fourth Proportional to 2,628,752.50, 3,627,678.63 and 1,421,528.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,752.50 : 3,627,678.63 = 1,421,528.50 : x
2. Step 2: Convert to fraction form
   2,628,752.50/3,627,678.63 = 1,421,528.50/x
3. Step 3: Cross multiply
   2,628,752.50x = 3,627,678.63 × 1,421,528.50
4. Step 4: Simplify right side
   2,628,752.50x = 5,156,848,561,385.96
5. Step 5: Solve for x
   x = 5,156,848,561,385.96/2,628,752.50
6. Step 6: Final answer
   x = 1,961,709.43