Finding the Fourth Proportional to 123,310,816.72, 170,168,867.85 and 73,751,189.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,310,816.72 : 170,168,867.85 = 73,751,189.56 : x
2. Step 2: Convert to fraction form
   123,310,816.72/170,168,867.85 = 73,751,189.56/x
3. Step 3: Cross multiply
   123,310,816.72x = 170,168,867.85 × 73,751,189.56
4. Step 4: Simplify right side
   123,310,816.72x = 12,550,156,430,015,940
5. Step 5: Solve for x
   x = 12,550,156,430,015,940/123,310,816.72
6. Step 6: Final answer
   x = 101,776,606.17