Finding the Fourth Proportional to 99,412.00, 149,061.53 and 67,860.28

Step by Step Solution

1. Step 1: Write the proportion equation
   99,412.00 : 149,061.53 = 67,860.28 : x
2. Step 2: Convert to fraction form
   99,412.00/149,061.53 = 67,860.28/x
3. Step 3: Cross multiply
   99,412.00x = 149,061.53 × 67,860.28
4. Step 4: Simplify right side
   99,412.00x = 10,115,356,680.53
5. Step 5: Solve for x
   x = 10,115,356,680.53/99,412.00
6. Step 6: Final answer
   x = 101,751.86