Finding the Fourth Proportional to 78,117.58, 107,802.23 and 42,307.59

Step by Step Solution

1. Step 1: Write the proportion equation
   78,117.58 : 107,802.23 = 42,307.59 : x
2. Step 2: Convert to fraction form
   78,117.58/107,802.23 = 42,307.59/x
3. Step 3: Cross multiply
   78,117.58x = 107,802.23 × 42,307.59
4. Step 4: Simplify right side
   78,117.58x = 4,560,852,336.39
5. Step 5: Solve for x
   x = 4,560,852,336.39/78,117.58
6. Step 6: Final answer
   x = 58,384.46