Finding the Fourth Proportional to 3,971,678.30, 5,480,477.50 and 2,228,947.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,971,678.30 : 5,480,477.50 = 2,228,947.98 : x
2. Step 2: Convert to fraction form
   3,971,678.30/5,480,477.50 = 2,228,947.98/x
3. Step 3: Cross multiply
   3,971,678.30x = 5,480,477.50 × 2,228,947.98
4. Step 4: Simplify right side
   3,971,678.30x = 12,215,699,253,060.45
5. Step 5: Solve for x
   x = 12,215,699,253,060.45/3,971,678.30
6. Step 6: Final answer
   x = 3,075,702.09