Finding the Fourth Proportional to 163,665.17, 245,498.05 and 51,354.01

Step by Step Solution

1. Step 1: Write the proportion equation
   163,665.17 : 245,498.05 = 51,354.01 : x
2. Step 2: Convert to fraction form
   163,665.17/245,498.05 = 51,354.01/x
3. Step 3: Cross multiply
   163,665.17x = 245,498.05 × 51,354.01
4. Step 4: Simplify right side
   163,665.17x = 12,607,309,541.31
5. Step 5: Solve for x
   x = 12,607,309,541.31/163,665.17
6. Step 6: Final answer
   x = 77,031.11