Finding the Fourth Proportional to 108,468.21, 149,677.82 and 60,715.07

Step by Step Solution

1. Step 1: Write the proportion equation
   108,468.21 : 149,677.82 = 60,715.07 : x
2. Step 2: Convert to fraction form
   108,468.21/149,677.82 = 60,715.07/x
3. Step 3: Cross multiply
   108,468.21x = 149,677.82 × 60,715.07
4. Step 4: Simplify right side
   108,468.21x = 9,087,699,397.28
5. Step 5: Solve for x
   x = 9,087,699,397.28/108,468.21
6. Step 6: Final answer
   x = 83,782.14