Finding the Fourth Proportional to 132,978,377.88, 199,590,182.91 and 67,445,508.78

Step by Step Solution

1. Step 1: Write the proportion equation
   132,978,377.88 : 199,590,182.91 = 67,445,508.78 : x
2. Step 2: Convert to fraction form
   132,978,377.88/199,590,182.91 = 67,445,508.78/x
3. Step 3: Cross multiply
   132,978,377.88x = 199,590,182.91 × 67,445,508.78
4. Step 4: Simplify right side
   132,978,377.88x = 13,461,461,433,858,210
5. Step 5: Solve for x
   x = 13,461,461,433,858,210/132,978,377.88
6. Step 6: Final answer
   x = 101,230,453.01