Finding the Fourth Proportional to 153,100.99, 229,689.16 and 53,262.05

Step by Step Solution

1. Step 1: Write the proportion equation
   153,100.99 : 229,689.16 = 53,262.05 : x
2. Step 2: Convert to fraction form
   153,100.99/229,689.16 = 53,262.05/x
3. Step 3: Cross multiply
   153,100.99x = 229,689.16 × 53,262.05
4. Step 4: Simplify right side
   153,100.99x = 12,233,715,635.43
5. Step 5: Solve for x
   x = 12,233,715,635.43/153,100.99
6. Step 6: Final answer
   x = 79,906.18