Finding the Fourth Proportional to 111,671,768, 167,507,713.20 and 51,044,978.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,671,768 : 167,507,713.20 = 51,044,978.72 : x
2. Step 2: Convert to fraction form
   111,671,768/167,507,713.20 = 51,044,978.72/x
3. Step 3: Cross multiply
   111,671,768x = 167,507,713.20 × 51,044,978.72
4. Step 4: Simplify right side
   111,671,768x = 8,550,427,655,729,862
5. Step 5: Solve for x
   x = 8,550,427,655,729,862/111,671,768
6. Step 6: Final answer
   x = 76,567,496.05