Finding the Fourth Proportional to 99,818.72, 149,654.27 and 60,367.06

Step by Step Solution

1. Step 1: Write the proportion equation
   99,818.72 : 149,654.27 = 60,367.06 : x
2. Step 2: Convert to fraction form
   99,818.72/149,654.27 = 60,367.06/x
3. Step 3: Cross multiply
   99,818.72x = 149,654.27 × 60,367.06
4. Step 4: Simplify right side
   99,818.72x = 9,034,188,294.77
5. Step 5: Solve for x
   x = 9,034,188,294.77/99,818.72
6. Step 6: Final answer
   x = 90,505.95