Finding the Fourth Proportional to 108,672.86, 149,975.76 and 60,929.30

Step by Step Solution

1. Step 1: Write the proportion equation
   108,672.86 : 149,975.76 = 60,929.30 : x
2. Step 2: Convert to fraction form
   108,672.86/149,975.76 = 60,929.30/x
3. Step 3: Cross multiply
   108,672.86x = 149,975.76 × 60,929.30
4. Step 4: Simplify right side
   108,672.86x = 9,137,918,073.77
5. Step 5: Solve for x
   x = 9,137,918,073.77/108,672.86
6. Step 6: Final answer
   x = 84,086.48