Finding the Fourth Proportional to 99,654, 137,522.64 and 54,942

Step by Step Solution

1. Step 1: Write the proportion equation
   99,654 : 137,522.64 = 54,942 : x
2. Step 2: Convert to fraction form
   99,654/137,522.64 = 54,942/x
3. Step 3: Cross multiply
   99,654x = 137,522.64 × 54,942
4. Step 4: Simplify right side
   99,654x = 7,555,768,886.88
5. Step 5: Solve for x
   x = 7,555,768,886.88/99,654
6. Step 6: Final answer
   x = 75,820.03