Finding the Fourth Proportional to 42,373,131.12, 63,560,287.35 and 12,080,994.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,373,131.12 : 63,560,287.35 = 12,080,994.12 : x
2. Step 2: Convert to fraction form
   42,373,131.12/63,560,287.35 = 12,080,994.12/x
3. Step 3: Cross multiply
   42,373,131.12x = 63,560,287.35 × 12,080,994.12
4. Step 4: Simplify right side
   42,373,131.12x = 767,871,457,740,860.38
5. Step 5: Solve for x
   x = 767,871,457,740,860.38/42,373,131.12
6. Step 6: Final answer
   x = 18,121,659.59