Finding the Fourth Proportional to 78,336.51, 108,104.39 and 42,526.47

Step by Step Solution

1. Step 1: Write the proportion equation
   78,336.51 : 108,104.39 = 42,526.47 : x
2. Step 2: Convert to fraction form
   78,336.51/108,104.39 = 42,526.47/x
3. Step 3: Cross multiply
   78,336.51x = 108,104.39 × 42,526.47
4. Step 4: Simplify right side
   78,336.51x = 4,597,298,098.20
5. Step 5: Solve for x
   x = 4,597,298,098.20/78,336.51
6. Step 6: Final answer
   x = 58,686.53