Finding the Fourth Proportional to 101,429.70, 152,112.15 and 42,251.10

Step by Step Solution

1. Step 1: Write the proportion equation
   101,429.70 : 152,112.15 = 42,251.10 : x
2. Step 2: Convert to fraction form
   101,429.70/152,112.15 = 42,251.10/x
3. Step 3: Cross multiply
   101,429.70x = 152,112.15 × 42,251.10
4. Step 4: Simplify right side
   101,429.70x = 6,426,905,660.87
5. Step 5: Solve for x
   x = 6,426,905,660.87/101,429.70
6. Step 6: Final answer
   x = 63,363.15