Finding the Fourth Proportional to 123,912,414.72, 185,844,127.68 and 117,767,352.96

Step by Step Solution

1. Step 1: Write the proportion equation
   123,912,414.72 : 185,844,127.68 = 117,767,352.96 : x
2. Step 2: Convert to fraction form
   123,912,414.72/185,844,127.68 = 117,767,352.96/x
3. Step 3: Cross multiply
   123,912,414.72x = 185,844,127.68 × 117,767,352.96
4. Step 4: Simplify right side
   123,912,414.72x = 21,886,370,980,033,864
5. Step 5: Solve for x
   x = 21,886,370,980,033,864/123,912,414.72
6. Step 6: Final answer
   x = 176,627,749.77