Finding the Fourth Proportional to 102,066.62, 153,118.28 and 42,061.68

Step by Step Solution

1. Step 1: Write the proportion equation
   102,066.62 : 153,118.28 = 42,061.68 : x
2. Step 2: Convert to fraction form
   102,066.62/153,118.28 = 42,061.68/x
3. Step 3: Cross multiply
   102,066.62x = 153,118.28 × 42,061.68
4. Step 4: Simplify right side
   102,066.62x = 6,440,412,200.66
5. Step 5: Solve for x
   x = 6,440,412,200.66/102,066.62
6. Step 6: Final answer
   x = 63,100.09