Finding the Fourth Proportional to 194,620,935.72, 267,146,258.78 and 172,101,017.64

Step by Step Solution

1. Step 1: Write the proportion equation
   194,620,935.72 : 267,146,258.78 = 172,101,017.64 : x
2. Step 2: Convert to fraction form
   194,620,935.72/267,146,258.78 = 172,101,017.64/x
3. Step 3: Cross multiply
   194,620,935.72x = 267,146,258.78 × 172,101,017.64
4. Step 4: Simplify right side
   194,620,935.72x = 45,976,142,994,756,784
5. Step 5: Solve for x
   x = 45,976,142,994,756,784/194,620,935.72
6. Step 6: Final answer
   x = 236,234,312.74