Finding the Fourth Proportional to 106,123.59, 146,461.28 and 60,807.58

Step by Step Solution

1. Step 1: Write the proportion equation
   106,123.59 : 146,461.28 = 60,807.58 : x
2. Step 2: Convert to fraction form
   106,123.59/146,461.28 = 60,807.58/x
3. Step 3: Cross multiply
   106,123.59x = 146,461.28 × 60,807.58
4. Step 4: Simplify right side
   106,123.59x = 8,905,956,000.50
5. Step 5: Solve for x
   x = 8,905,956,000.50/106,123.59
6. Step 6: Final answer
   x = 83,920.61