Finding the Fourth Proportional to 156,637.84, 216,061.86 and 92,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,637.84 : 216,061.86 = 92,930.50 : x
2. Step 2: Convert to fraction form
   156,637.84/216,061.86 = 92,930.50/x
3. Step 3: Cross multiply
   156,637.84x = 216,061.86 × 92,930.50
4. Step 4: Simplify right side
   156,637.84x = 20,078,736,680.73
5. Step 5: Solve for x
   x = 20,078,736,680.73/156,637.84
6. Step 6: Final answer
   x = 128,185.74