Finding the Fourth Proportional to 120,508,781.62, 166,320,298.72 and 73,493,131.36

Step by Step Solution

1. Step 1: Write the proportion equation
   120,508,781.62 : 166,320,298.72 = 73,493,131.36 : x
2. Step 2: Convert to fraction form
   120,508,781.62/166,320,298.72 = 73,493,131.36/x
3. Step 3: Cross multiply
   120,508,781.62x = 166,320,298.72 × 73,493,131.36
4. Step 4: Simplify right side
   120,508,781.62x = 12,223,399,561,663,400
5. Step 5: Solve for x
   x = 12,223,399,561,663,400/120,508,781.62
6. Step 6: Final answer
   x = 101,431,608.53