Finding the Fourth Proportional to 97,819.94, 146,598.51 and 53,380.10

Step by Step Solution

1. Step 1: Write the proportion equation
   97,819.94 : 146,598.51 = 53,380.10 : x
2. Step 2: Convert to fraction form
   97,819.94/146,598.51 = 53,380.10/x
3. Step 3: Cross multiply
   97,819.94x = 146,598.51 × 53,380.10
4. Step 4: Simplify right side
   97,819.94x = 7,825,443,123.65
5. Step 5: Solve for x
   x = 7,825,443,123.65/97,819.94
6. Step 6: Final answer
   x = 79,998.45