Finding the Fourth Proportional to 99,546, 137,373.48 and 54,834

Step by Step Solution

1. Step 1: Write the proportion equation
   99,546 : 137,373.48 = 54,834 : x
2. Step 2: Convert to fraction form
   99,546/137,373.48 = 54,834/x
3. Step 3: Cross multiply
   99,546x = 137,373.48 × 54,834
4. Step 4: Simplify right side
   99,546x = 7,532,737,402.32
5. Step 5: Solve for x
   x = 7,532,737,402.32/99,546
6. Step 6: Final answer
   x = 75,670.92