Finding the Fourth Proportional to 78,443.67, 108,252.96 and 42,633.76

Step by Step Solution

1. Step 1: Write the proportion equation
   78,443.67 : 108,252.96 = 42,633.76 : x
2. Step 2: Convert to fraction form
   78,443.67/108,252.96 = 42,633.76/x
3. Step 3: Cross multiply
   78,443.67x = 108,252.96 × 42,633.76
4. Step 4: Simplify right side
   78,443.67x = 4,615,230,715.93
5. Step 5: Solve for x
   x = 4,615,230,715.93/78,443.67
6. Step 6: Final answer
   x = 58,834.97