Finding the Fourth Proportional to 21,079.05, 29,598.15 and 21,079.05

Step by Step Solution

1. Step 1: Write the proportion equation
   21,079.05 : 29,598.15 = 21,079.05 : x
2. Step 2: Convert to fraction form
   21,079.05/29,598.15 = 21,079.05/x
3. Step 3: Cross multiply
   21,079.05x = 29,598.15 × 21,079.05
4. Step 4: Simplify right side
   21,079.05x = 623,900,883.76
5. Step 5: Solve for x
   x = 623,900,883.76/21,079.05
6. Step 6: Final answer
   x = 29,598.15