Finding the Fourth Proportional to 3,609,061.60, 4,980,713.88 and 1,977,472.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609,061.60 : 4,980,713.88 = 1,977,472.12 : x
2. Step 2: Convert to fraction form
   3,609,061.60/4,980,713.88 = 1,977,472.12/x
3. Step 3: Cross multiply
   3,609,061.60x = 4,980,713.88 × 1,977,472.12
4. Step 4: Simplify right side
   3,609,061.60x = 9,849,222,835,397.03
5. Step 5: Solve for x
   x = 9,849,222,835,397.03/3,609,061.60
6. Step 6: Final answer
   x = 2,729,025.97