Finding the Fourth Proportional to 78,526.50, 117,827.55 and 39,087.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,526.50 : 117,827.55 = 39,087.06 : x
2. Step 2: Convert to fraction form
   78,526.50/117,827.55 = 39,087.06/x
3. Step 3: Cross multiply
   78,526.50x = 117,827.55 × 39,087.06
4. Step 4: Simplify right side
   78,526.50x = 4,605,532,516.50
5. Step 5: Solve for x
   x = 4,605,532,516.50/78,526.50
6. Step 6: Final answer
   x = 58,649.41