Finding the Fourth Proportional to 8,382,967.53, 12,565,498.77 and 4,780,978.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,382,967.53 : 12,565,498.77 = 4,780,978.53 : x
2. Step 2: Convert to fraction form
   8,382,967.53/12,565,498.77 = 4,780,978.53/x
3. Step 3: Cross multiply
   8,382,967.53x = 12,565,498.77 × 4,780,978.53
4. Step 4: Simplify right side
   8,382,967.53x = 60,075,379,838,111.41
5. Step 5: Solve for x
   x = 60,075,379,838,111.41/8,382,967.53
6. Step 6: Final answer
   x = 7,166,361.99