Finding the Fourth Proportional to 78,897.89, 118,347.88 and 26,307.39

Step by Step Solution

1. Step 1: Write the proportion equation
   78,897.89 : 118,347.88 = 26,307.39 : x
2. Step 2: Convert to fraction form
   78,897.89/118,347.88 = 26,307.39/x
3. Step 3: Cross multiply
   78,897.89x = 118,347.88 × 26,307.39
4. Step 4: Simplify right side
   78,897.89x = 3,113,423,834.83
5. Step 5: Solve for x
   x = 3,113,423,834.83/78,897.89
6. Step 6: Final answer
   x = 39,461.43