Finding the Fourth Proportional to 8,845,868.88, 12,207,287.52 and 4,978,417.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,845,868.88 : 12,207,287.52 = 4,978,417.68 : x
2. Step 2: Convert to fraction form
   8,845,868.88/12,207,287.52 = 4,978,417.68/x
3. Step 3: Cross multiply
   8,845,868.88x = 12,207,287.52 × 4,978,417.68
4. Step 4: Simplify right side
   8,845,868.88x = 60,772,976,014,411.35
5. Step 5: Solve for x
   x = 60,772,976,014,411.35/8,845,868.88
6. Step 6: Final answer
   x = 6,870,209.91