Finding the Fourth Proportional to 171,156,061.92, 236,195,123.28 and 92,839,520.84

Step by Step Solution

1. Step 1: Write the proportion equation
   171,156,061.92 : 236,195,123.28 = 92,839,520.84 : x
2. Step 2: Convert to fraction form
   171,156,061.92/236,195,123.28 = 92,839,520.84/x
3. Step 3: Cross multiply
   171,156,061.92x = 236,195,123.28 × 92,839,520.84
4. Step 4: Simplify right side
   171,156,061.92x = 21,928,242,070,059,932
5. Step 5: Solve for x
   x = 21,928,242,070,059,932/171,156,061.92
6. Step 6: Final answer
   x = 128,118,407.40