Finding the Fourth Proportional to 78,325,414.80, 108,091,989.50 and 46,968,568.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,325,414.80 : 108,091,989.50 = 46,968,568.98 : x
2. Step 2: Convert to fraction form
   78,325,414.80/108,091,989.50 = 46,968,568.98/x
3. Step 3: Cross multiply
   78,325,414.80x = 108,091,989.50 × 46,968,568.98
4. Step 4: Simplify right side
   78,325,414.80x = 5,076,926,065,016,185
5. Step 5: Solve for x
   x = 5,076,926,065,016,185/78,325,414.80
6. Step 6: Final answer
   x = 64,818,374.44