Finding the Fourth Proportional to 45,401.61, 68,102.72 and 15,820.01

Step by Step Solution

1. Step 1: Write the proportion equation
   45,401.61 : 68,102.72 = 15,820.01 : x
2. Step 2: Convert to fraction form
   45,401.61/68,102.72 = 15,820.01/x
3. Step 3: Cross multiply
   45,401.61x = 68,102.72 × 15,820.01
4. Step 4: Simplify right side
   45,401.61x = 1,077,385,711.43
5. Step 5: Solve for x
   x = 1,077,385,711.43/45,401.61
6. Step 6: Final answer
   x = 23,730.12