Finding the Fourth Proportional to 102,066.04, 153,105.02 and 30,990.99

Step by Step Solution

1. Step 1: Write the proportion equation
   102,066.04 : 153,105.02 = 30,990.99 : x
2. Step 2: Convert to fraction form
   102,066.04/153,105.02 = 30,990.99/x
3. Step 3: Cross multiply
   102,066.04x = 153,105.02 × 30,990.99
4. Step 4: Simplify right side
   102,066.04x = 4,744,876,562.96
5. Step 5: Solve for x
   x = 4,744,876,562.96/102,066.04
6. Step 6: Final answer
   x = 46,488.30