Finding the Fourth Proportional to 78,500.02, 117,733.50 and 25,897.18

Step by Step Solution

1. Step 1: Write the proportion equation
   78,500.02 : 117,733.50 = 25,897.18 : x
2. Step 2: Convert to fraction form
   78,500.02/117,733.50 = 25,897.18/x
3. Step 3: Cross multiply
   78,500.02x = 117,733.50 × 25,897.18
4. Step 4: Simplify right side
   78,500.02x = 3,048,965,641.53
5. Step 5: Solve for x
   x = 3,048,965,641.53/78,500.02
6. Step 6: Final answer
   x = 38,840.32