Finding the Fourth Proportional to 108,081.78, 149,152.29 and 62,770.92

Step by Step Solution

1. Step 1: Write the proportion equation
   108,081.78 : 149,152.29 = 62,770.92 : x
2. Step 2: Convert to fraction form
   108,081.78/149,152.29 = 62,770.92/x
3. Step 3: Cross multiply
   108,081.78x = 149,152.29 × 62,770.92
4. Step 4: Simplify right side
   108,081.78x = 9,362,426,463.41
5. Step 5: Solve for x
   x = 9,362,426,463.41/108,081.78
6. Step 6: Final answer
   x = 86,623.54