Finding the Fourth Proportional to 106,290.63, 146,665.71 and 60,970.50

Step by Step Solution

1. Step 1: Write the proportion equation
   106,290.63 : 146,665.71 = 60,970.50 : x
2. Step 2: Convert to fraction form
   106,290.63/146,665.71 = 60,970.50/x
3. Step 3: Cross multiply
   106,290.63x = 146,665.71 × 60,970.50
4. Step 4: Simplify right side
   106,290.63x = 8,942,281,671.56
5. Step 5: Solve for x
   x = 8,942,281,671.56/106,290.63
6. Step 6: Final answer
   x = 84,130.48