Finding the Fourth Proportional to 101,541.56, 152,328.72 and 31,420.86

Step by Step Solution

1. Step 1: Write the proportion equation
   101,541.56 : 152,328.72 = 31,420.86 : x
2. Step 2: Convert to fraction form
   101,541.56/152,328.72 = 31,420.86/x
3. Step 3: Cross multiply
   101,541.56x = 152,328.72 × 31,420.86
4. Step 4: Simplify right side
   101,541.56x = 4,786,299,385.10
5. Step 5: Solve for x
   x = 4,786,299,385.10/101,541.56
6. Step 6: Final answer
   x = 47,136.36