Finding the Fourth Proportional to 99,922.89, 137,895.39 and 54,602.76

Step by Step Solution

1. Step 1: Write the proportion equation
   99,922.89 : 137,895.39 = 54,602.76 : x
2. Step 2: Convert to fraction form
   99,922.89/137,895.39 = 54,602.76/x
3. Step 3: Cross multiply
   99,922.89x = 137,895.39 × 54,602.76
4. Step 4: Simplify right side
   99,922.89x = 7,529,468,885.28
5. Step 5: Solve for x
   x = 7,529,468,885.28/99,922.89
6. Step 6: Final answer
   x = 75,352.79