Finding the Fourth Proportional to 117,820.30, 164,598.50 and 117,820.30

Step by Step Solution

1. Step 1: Write the proportion equation
   117,820.30 : 164,598.50 = 117,820.30 : x
2. Step 2: Convert to fraction form
   117,820.30/164,598.50 = 117,820.30/x
3. Step 3: Cross multiply
   117,820.30x = 164,598.50 × 117,820.30
4. Step 4: Simplify right side
   117,820.30x = 19,393,044,649.55
5. Step 5: Solve for x
   x = 19,393,044,649.55/117,820.30
6. Step 6: Final answer
   x = 164,598.50