Finding the Fourth Proportional to 128,957.56, 193,406.10 and 62,364.76

Step by Step Solution

1. Step 1: Write the proportion equation
   128,957.56 : 193,406.10 = 62,364.76 : x
2. Step 2: Convert to fraction form
   128,957.56/193,406.10 = 62,364.76/x
3. Step 3: Cross multiply
   128,957.56x = 193,406.10 × 62,364.76
4. Step 4: Simplify right side
   128,957.56x = 12,061,725,009.04
5. Step 5: Solve for x
   x = 12,061,725,009.04/128,957.56
6. Step 6: Final answer
   x = 93,532.52