Finding the Fourth Proportional to 101,454.76, 152,196.70 and 31,340.20

Step by Step Solution

1. Step 1: Write the proportion equation
   101,454.76 : 152,196.70 = 31,340.20 : x
2. Step 2: Convert to fraction form
   101,454.76/152,196.70 = 31,340.20/x
3. Step 3: Cross multiply
   101,454.76x = 152,196.70 × 31,340.20
4. Step 4: Simplify right side
   101,454.76x = 4,769,875,017.34
5. Step 5: Solve for x
   x = 4,769,875,017.34/101,454.76
6. Step 6: Final answer
   x = 47,014.80