Finding the Fourth Proportional to 156,667.28, 216,204.50 and 93,005.32

Step by Step Solution

1. Step 1: Write the proportion equation
   156,667.28 : 216,204.50 = 93,005.32 : x
2. Step 2: Convert to fraction form
   156,667.28/216,204.50 = 93,005.32/x
3. Step 3: Cross multiply
   156,667.28x = 216,204.50 × 93,005.32
4. Step 4: Simplify right side
   156,667.28x = 20,108,168,707.94
5. Step 5: Solve for x
   x = 20,108,168,707.94/156,667.28
6. Step 6: Final answer
   x = 128,349.51