Finding the Fourth Proportional to 109,870.81, 151,635.67 and 62,123.13

Step by Step Solution

1. Step 1: Write the proportion equation
   109,870.81 : 151,635.67 = 62,123.13 : x
2. Step 2: Convert to fraction form
   109,870.81/151,635.67 = 62,123.13/x
3. Step 3: Cross multiply
   109,870.81x = 151,635.67 × 62,123.13
4. Step 4: Simplify right side
   109,870.81x = 9,420,082,440.05
5. Step 5: Solve for x
   x = 9,420,082,440.05/109,870.81
6. Step 6: Final answer
   x = 85,737.81