Finding the Fourth Proportional to 78,812.68, 108,761.88 and 43,003.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,812.68 : 108,761.88 = 43,003.48 : x
2. Step 2: Convert to fraction form
   78,812.68/108,761.88 = 43,003.48/x
3. Step 3: Cross multiply
   78,812.68x = 108,761.88 × 43,003.48
4. Step 4: Simplify right side
   78,812.68x = 4,677,139,331.34
5. Step 5: Solve for x
   x = 4,677,139,331.34/78,812.68
6. Step 6: Final answer
   x = 59,345.01