Finding the Fourth Proportional to 8,240,915.15, 12,365,801.40 and 3,449,088.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,240,915.15 : 12,365,801.40 = 3,449,088.80 : x
2. Step 2: Convert to fraction form
   8,240,915.15/12,365,801.40 = 3,449,088.80/x
3. Step 3: Cross multiply
   8,240,915.15x = 12,365,801.40 × 3,449,088.80
4. Step 4: Simplify right side
   8,240,915.15x = 42,650,747,111,764.32
5. Step 5: Solve for x
   x = 42,650,747,111,764.32/8,240,915.15
6. Step 6: Final answer
   x = 5,175,486.74