Finding the Fourth Proportional to 78,827.71, 108,784.53 and 43,020.03

Step by Step Solution

1. Step 1: Write the proportion equation
   78,827.71 : 108,784.53 = 43,020.03 : x
2. Step 2: Convert to fraction form
   78,827.71/108,784.53 = 43,020.03/x
3. Step 3: Cross multiply
   78,827.71x = 108,784.53 × 43,020.03
4. Step 4: Simplify right side
   78,827.71x = 4,679,913,472.17
5. Step 5: Solve for x
   x = 4,679,913,472.17/78,827.71
6. Step 6: Final answer
   x = 59,368.89