Finding the Fourth Proportional to 78,549.09, 108,399.68 and 42,741.07

Step by Step Solution

1. Step 1: Write the proportion equation
   78,549.09 : 108,399.68 = 42,741.07 : x
2. Step 2: Convert to fraction form
   78,549.09/108,399.68 = 42,741.07/x
3. Step 3: Cross multiply
   78,549.09x = 108,399.68 × 42,741.07
4. Step 4: Simplify right side
   78,549.09x = 4,633,117,875.71
5. Step 5: Solve for x
   x = 4,633,117,875.71/78,549.09
6. Step 6: Final answer
   x = 58,983.72