Finding the Fourth Proportional to 108,669.12, 149,970.58 and 60,925.56

Step by Step Solution

1. Step 1: Write the proportion equation
   108,669.12 : 149,970.58 = 60,925.56 : x
2. Step 2: Convert to fraction form
   108,669.12/149,970.58 = 60,925.56/x
3. Step 3: Cross multiply
   108,669.12x = 149,970.58 × 60,925.56
4. Step 4: Simplify right side
   108,669.12x = 9,137,041,570.02
5. Step 5: Solve for x
   x = 9,137,041,570.02/108,669.12
6. Step 6: Final answer
   x = 84,081.31